Pacific Island Ecosystems at Risk (PIER)


Report on invasive plant species in the Cook Islands

Once you find the name of the plant you are looking for, you can use the list by scientific name to go to individual species write-ups for additional information.


Appendix 12. Invasive and potentially invasive species present on other southern Cook Islands but not on Aitutaki

Scientific Name

Common Names

Present on:

Acacia aulacocarpa English: brown salwood, brush ironbark wattle, hickory wattle Mangaia
Acacia auriculiformis English: Papuan wattle, auri, earleaf acacia, northern black wattle, ear-pod wattle; Other: ākasia (Cook Islands); tuhkehn pwelmwahu (Pohnpei) Rarotonga, Mangaia
Acacia crassicarpa English: northern wattle, Papua New Guinea red wattle ‘Atiu, Mangaia, Ma'uke
Acacia glauca redwood Ma'uke

Acacia mangium

English: mangium, brown salwood, black wattle, hickory wattle; Other: ākasia (Cook Islands); tuhkehn pwelmwahu (Pohnpei) Rarotonga, 'Atiu, Mangaia, Ma'uke

Acacia mearnsii

English: black wattle; French: acacia noir; Other: ākasia (Cook Islands) Rarotonga
Albizia lebbeck English: siris-tree, rain tree, East Indian walnut, kokko, woman's-tongue tree, soros-tree, raom tree ; French: bois noir; Other: ‘arapitia (Cook Islands (Miti‘aro)); trongkon-mames, tronkon mames, mamis (Guam); kalaskas, trongkon-kalaskas (CNMI–Chamorro); schepil kalaskas (CNMI–Carolinian); ukall ra ngebard (Palau); gumorningabchey; ngumorrningobchey (Yap); 'ohai (Hawai‘i); vaivai, vaivai ni vavalangi, vaivai ni vavalagi (Fiji); tamaligi pa’epa’e (Samoa); kasia (Tonga) Rarotonga, Miti'aro
Anacardium occidentale English: cashew, cashew nut; French: anacardier, pomme de cojou, acajou a pommes, pommier d’acajou; Other: kātū (Cook Islands); kasoi (Guam); ‘apu ‘initia (Samoa); ‘apu, kesiu (Tonga) ‘Atiu, Mangaia, Ma'uke
Annona glabra English: pond apple, alligator apple, bullock's heart, cherimoyer; French: annone des marais, corossolier des marais; Other: uto ni mbulumakau, uto ni bulumakau, kaitambo, kaitambu (Fiji) Rarotonga
Annona squamosa English: sugar apple, sweetsop, custard apple, sugar apple; French: annone écailleuse, pomme-canelle; Other: tapotapo (Cook Islands, French Polynesia); tapotapo Māori (Cook Islands); kātara‘apa Māori (Cook Islands (Mangaia)); naponapo Māori (Cook Islands (Aitutaki)); atis, ates (Guam); ngel ra ngebard (Palau), ‘apele papalangi, ‘apele Tonga (Tonga), nameana (Tuvalu) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro
Anredera cordifolia English: Madeira vine, mignonette vine, lamb's tails; Other: tāpau (Cook Islands (‘Atiu)); ‘uala hupe (Hawai‘i); filikafa (Niue) Rarotonga, 'Atiu, Mangaia, Ma’uke
Ardisia crenata English: hen's eyes, Hilo holly, coral berry, Australian holly, scratchthroat; French: arbre à noël Rarotonga
Aristolochia littoralis English: Dutchman's pipe, calico flower; Other: mokorā (Cook Islands); fue paipa holani (Tonga) Mangaia
Arundo donax English: giant reed, Spanish reed, wild cane; French: canne de Provence, grand roseau; Other: ngasau ni vavalangi (Fiji); fiso palagi, fiso papalagi (Samoa); kaho folalahi (Tonga) Rarotonga
Asparagus densiflorus English: asparagus fern, sprengeri fern, smilax, regal fern Rarotonga

Axonopus compressus

English: blanket grass, carpetgrass; Other: kambutu ni vavalangi (Fiji) Rarotonga

Axonopus fissifolius

English: caratao grass, narrow-leaved carpetgrass Rarotonga

Azadirachta indica

English: neem, nim, margosa Rarotonga
Azolla filiculoides English: mosquito fern Rarotonga, Mangaia, Ma'uke

Bauhinia purpurea

English: purple orchid tree; purple butterfly tree, pink butterfly tree (Fiji); French: fleurs pourpres Rarotonga?

Bauhinia variegata

English: orchid tree; mountain ebony, butterfly tree (Fiji); French: bois de boeuf, sabot boeuf, arbre de Saint-Thomas Rarotonga
Bryophyllum delagoense English: chandelier plant Rarotonga

Calliandra haematocephala

English: red powder puff; French: pompon Rarotonga

Calliandra surinamensis

English: Surinamese stickpea Rarotonga

Calopogonium mucunoides

English: calopo; Other: akankan-guakag (Guam) Rarotonga, ‘Atiu, Ma'uke, Miti'aro

Calotropis gigantea

English: calotrope, crown flower, madar; French: mercure végétal, mudar; Other: pua-kalaunu (Hawai'i); tahinu (French Polynesia) Rarotonga

Cardiospermum grandiflorum

English: balloon vine; heart seed; Other: kopūpū takaviri? (Cook Islands) Rarotonga

Cardiospermum halicacabum

English: balloon vine, heart pea, love-in-a-puff; Other: wa niu, vo niu (Fiji); vinivinio (French Polynesia), poniu, haleakai‘a, ‘inalua, pohuehue uka (Hawai'i) Miti'aro
Carludovica palmata English: Panama hat plant; French: carludovique palmée; Spanish: chidra, palma de sombrero, palma jipijapa, toquilla; Other:  Panamā (Cook Islands) Rarotonga, 'Atiu
Cecropia obtusifolia English:  trumpet tree, guarumo; Other: rau-māniota (Cook Islands) Rarotonga
Cedrela odorata English: cigar box cedar, Mexican cedar, West Indian cedar, Spanish cedar, Barbados cedar; French: cèdre acajou, cèdre des barbares; Spanish: cedro cubano (Galapagos Is.); Other: sita hina (Tonga) Rarotonga, ‘Atiu

Cestrum diurnum

English: inkberry, day jessamine, day cestrum, China berry; Other: ariki-va‘ine (Cook Islands); thauthau (Fiji); tinta ‘n-China, tentanchinu, tintan China (Guam, CNMI); makahala (Hawai'i); sugi vao, suni vao (Samoa); vaitohi (Tonga) Rarotonga, Mangaia

Cestrum nocturnum

English: night-flowering cestrum, night-flowering jasmine, queen (or lady) of the night; Other: teine o le po, ali‘i o le po (American Samoa and Samoa); tiare ariki-va‘ine, ariki-va‘ine (Cook Islands); thauthau, thauthau ni mbongi, kara (Fiji); dama-de-noche (Guam); ‘ala aumoe, kupaoa, onaona Iapana (Hawai‘i); joñoul ru awa (Marshall Islands); iki he po (Niue); lakau po‘uli (Tonga) Rarotonga, Mangaia
Chloris barbata English: swollen fingergrass, purpletop chloris (Australia), airport grass (Fiji); Other: mau’u lei (Hawai'i) Rarotonga

Cinnamomum camphora

English: camphor tree, camphor laurel; French: camphre, camphrier Rarotonga

Cinnamomum verum

English: cinnamon tree; French: cannelier de Ceylan; Other: ochod ra ngebard (Palau). tinamoni, tigamoni (American Samoa and Samoa) Rarotonga, Miti'aro

Clerodendrum buchananii var. fallax

English: red clerodendrum, pagoda-flower; Other: rākau tupopoku (Cook Islands (‘Atiu)); talufe (Niue); lau‘awa (Hawai‘i); amo’ula, amo’ule (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke

Clerodendrum chinense

English: Honolulu rose, stickbush, glory bower; Other: losa Honolulu, losa Onolulu (American Samoa and Samoa); pītate māma‘o, tiare tupapaku? (Cook Islands); pikake hohono, pikake wauke (Hawai'i) Rarotonga
Clitoria ternatea English: butterfly pea, Asian pigeonwings; French: honte; Other: buikike, bukike, paokeke, bukike paokeke, capa de la reina, kapa de la raina (Guam); putitainubia (CNMI); pepe (Niue); latoela, nawa (Fiji), paipa (Tonga) Rarotonga
Cortaderia selloana English: pampas grass, silver pampas grass, Uruguayan pampas grass Rarotonga
Costus speciosus English: crepe ginger, crape ginger, wild ginger, Malay ginger, canereed; Other: isebsab (Palau) Rarotonga, 'Atiu
Crotalaria micans English: crotalaria; Other: pine kotalelia, pile (Niue) Mangaia, Ma'uke
Cryptostegia madagascariensis English: Madagascar rubber vine Rarotonga, 'Atiu, Mangaia
Cuscuta campestris English: golden dodder, field dodder, five-angled dodder; Other: tiaea (Cook Islands (Mangaia)); navereverelangi, wa vereverelangi, wa lawala, wa mbosuthu, wa ndanga, wa tikaivu, ndithangi (Fiji) Rarotonga, Mangaia
Cynodon dactylon English: Bermuda grass, giant Bermuda grass, bahama grass, devil's grass, couch grass, Indian doab, grama, devilgrass, couchgrass, balama grass; French: chiendent, petit chiendent, chiendent pied-de-poule; Other: matie (Cook Islands); manini, manienie (Hawai‘i); motie molulu (Niue); kambuta, kabuta (Fiji); mosie molulu (Niue); herbe de couverture (New Caledonia); pasto bermuda, zacate bermuda, grama dulce, gramón, hierba fina, grama-seda, (from Ecoport, no source given) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro
Derris elliptica English: derris; Other: tuba, bagin (Guam); oop, op (Kosrae); dub (Palau); up (Chuuk, Pohnpei); peinuhp, uhp, upanai, upanyap, upkesetik (Pohnpei); yuub (Yap); nduva, duva ni vavalagi, nduva ni vavalangi (Fiji) Rarotonga
Desmodium tortuosum English: Florida beggarweed, Spanish clover, dixie ticktrefoil Mangaia
Dieffenbachia seguine English: dieffenbachia, dumb cane; Other: yalu ni vavalagi (Fiji) Rarotonga, 'Atiu, Mangaia, Ma’uke
Digitaria violascens English: smooth crabgrass, violet crabgrass; Other: sau (Palau) Rarotonga
Dissotis rotundifolia English: dissotis, Spanish shawl, pink lady Rarotonga, Ma'uke
Duranta erecta English: duranta, golden dewdrop, pigeon-berry, sky-flower; Other: ‘olive (Tonga) Rarotonga

Egeria densa

English: egeria, leafy elodea, dense waterweed Rarotonga

Eichhornia crassipes

English: water hyacinth; French: jacinthe d'eau; Other: riri vai (Cook Islands (Mangaia)); mbekambekairanga, ndambendambe ni nga, jal khumbe, bekabekairaga, dabedabe ne ga, jal khumbe (Fiji); bung el ralm (Palau) Rarotonga, Mangaia
Eleusine indica English: goosegrass, wiregrass, goose foot, crow's foot, bullgrass; French: pied de poule; Other: fahitalo, lau ta‘a ta‘a, ta‘a ta‘a (American Samoa and Samoa); mauku mārōki‘aki‘a (Cook Islands); kavoronaisivi, vorovoroisivi, ghoraya (Fiji); tamamau (French Polynesia), umog (Guam); manienie ali‘i (Hawai‘i); mahkwekwe (Kosrae); katejukjuk (Marshall Islands); mosie fahitalo (Niue); deskim, keteketarmalk (Palau); reh takai (Pohnpei); takataka, takataka ‘a leala, mohuku siamane (Tonga); te uteute (from Ecoport, source not given) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro
Erigeron karvinskianus English: Mexican daisy, seaside daisy, daisy fleabane Rarotonga

Ficus benjamina

English: weeping fig, baka, Java fig, weeping fig ; Other: ‘ovava fisi (Tonga) Rarotonga

Ficus elastica

English: India rubber tree, rubber plant; Other: rapa (Cook Islands); komunokí (Palau); rapah (Pohnpei); gak‘iynigoma (Yap) Rarotonga, 'Atiu
Ficus macrophylla English: Moreton Bay fig Rarotonga
Flacourtia jangomas English: Indian-plum, runeala-plum; French: prunier d'Inde; Spanish: ciruela forastera Rarotonga, Mangaia, Ma’uke

Flacourtia rukam

English: Indian plum, Indian prune, governor’s plum; French: prunier café, prunier de Chine, prunier malgache; Other: filimoto (Fiji, Futuna, Samoa and American Samoa, Tonga) Rarotonga

Flemingia macrophylla

Rarotonga, Mangaia, Ma'uke

Flemingia strobilifera

English: luck plant, wild hops; French: sainfoin du bengale; Other: besungelaiei (Palau) Rarotonga, 'Atiu

Gliricidia sepium

English: mother of cacao, quickstick, Mexican lilac; Spanish: madre de cacao Rarotonga, 'Atiu, Mangaia, Ma'uke
Gmelina arborea English: gmelina, white teak, white beech; Spanish: melina; Other: yemane (Fiji, Philippines) Rarotonga, ‘Atiu

Gomphocarpus physocarpus

English: balloon plant, bladderbush Rarotonga

Grevillea banksii

English: kahili flower, Banks grevillea; Other: ha‘iku, kahili (Hawai‘i); ‘oka pua ‘ula‘ula (Hawai‘i (Ni‘ihau)) Rarotonga

Grevillea robusta

English: silk oak, silky oak, he oak, silver oak, spider flower; Other: ‘oka kilika, ha‘iku ke‘oke‘o (Hawai'i), oke‘ (Tonga) Rarotonga, ‘Atiu, Mangaia

Hedychium coronarium

English: white ginger, butterfly lily, ginger lily, garland flower; Other: teuila paepae (American Samoa and Samoa); tunun, sinser (Chuuk); kōpī teatea, re‘a teatea (Cook Islands); ndrove, cevuga vula, dalasika (Fiji); thevunga (Fiji, Tonga); ‘awapuhi ke‘oke‘o (Hawai‘i); sinter pwetepwet (Pohnpei); tolon (Puluwat) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro

Hedychium flavescens

English: yellow ginger, cream ginger; French: longoze; Other: teuila (American Samoa and Samoa); kōpī rengarenga, re‘a rengarenga (Cook Islands); opuhi rea rea (French Polynesia); ‘awapuhi melemele (Hawai'i) Rarotonga, 'Atiu, Mangaia, Ma'uke

Hedychium gardnerianum

English: kahili ginger; Other: kōpī (Cook Islands); cevuga dromodromo (Fiji); kahili, ‘awapuhi kahili (Hawai‘i); sinter weitahta (Pohnpei) Rarotonga, Mangaia
Hylocereus undatus English: night-blooming cereus, strawberry pear, red pitaya, dragon fruit, pitahaya; French: pitaya, pitahaya rouge; Spanish: flor de Caliz; Other: paniniokapunahou, papipi pua (Hawai'i) Rarotonga
Ipomoea aquatica English: aquatic morning glory, swamp cabbage, water spinach, ung-choi, kang kong; French: liseron d'eau, patate aquatique; Other: aseri, seeri, seri (Chuuk); rukau taviri? (Cook Islands); ota karisa, ota karisi, wa kumala, ndrinikava, luve ne tombithi (Fiji), akankong, cancon, kangkun, kangkung, kankan (Guam); te kang kong (Kiribati); lorenzo (Nauru), kangum, kangkum (Palau); ‘umala vai (Samoa); kangkong (Ulithi, Yap); kangking, kongkong (Yap) Rarotonga
Jacaranda mimosifolia English: jacaranda Rarotonga
Jatropha curcas English: physic nut, purging nut, Barbados nut; French: médicinier, pignon d'Inde, purghère; Other: tuitui pakarangi, pakarani (Cook Islands); fiki (Cook Islands, Fiji, Tonga); wiriwiri, wiriwiri ni vavalangi, uto ni vavalangi, banidakai, mbanindakai, manggele, maqele, ndrala (Fiji); tuba-tuba (Guam); kuku‘ihi (Hawai‘i), kuikui Pake (Hawai‘i (Ni‘ihau), laupata (Samoa) Rarotonga, ‘Atiu, Ma'uke
Justicia carnea English: pink plume-flower, pink jacobinia Rarotonga
Kyllinga brevifolia English: green kyllinga, green water sedge; Other: tumu ‘enua (Cook Islands (Ma‘uke)); kili‘o‘opu, kaluha, manunene, mau‘u mokae (Hawai‘i); tuise (Samoa); pakopako (Tonga) Rarotonga, Mangaia, Ma'uke, Miti’aro
Lablab purpureus English: hyacinth bean, lablab, bonavist, Egyptian kidney bean, dolichos; French: dolique, dolique d'Egypte, pois nourrice; Other: ndralawa, natomba, tomba (Fiji); cheribilla apaka, chuchumeko (Guam--Chamorro); papapa, pi (Hawai'i); pini lae puaka (Tonga) Rarotonga

Lantana camara

English: lantana; Other: latana (American Samoa and Samoa); tātarāmoa papa‘ā (Cook Islands); tātarāmoa (Cook Islands, French Polynesia); kauboica, kaumboitha, mbonambulumakau, mbona ra mbulumakau, tokalau, waiwai, lanitana (Fiji); tarataramoa, taratara hamoa (French Polynesia); latora moa (French Polynesia (Tahiti)); lakana, la‘au kalakala, lanakana (Ni‘ihau), mikinolia hihiu, mikinolia hohono, mikinolia kuku (Hawai‘i); ros fonacni (Kosrae); te kaibuaka, te kaibuaja (Kiribati); migiroa (Nauru), landana, rantana, rahndana, tukasuweth (Pohnpei); talatala, talatala talmoa (Tonga) Rarotonga, 'Atiu
Leptospermum scoparium English: New Zealand tea; manuka (New Zealand) Rarotonga
Licuala grandis English: ruffled fan palm; French: palmier-cuillère Rarotonga?
Lonicera japonica English: Japanese honeysuckle, Hall’s honeysuckle; Other: pitate papa‘ā (Cook Islands); mangamangā rima (Cook Islands (Ma‘uke)); honekakala (Hawai‘i) Rarotonga, 'Atiu, Mangaia, Ma'uke
Macfadyena unguis-cati English: cat's-claw climber Rarotonga
Melicoccus bijugatus English: Spanish lime Rarotonga, ‘Atiu
Melinis repens English: Natal redtop, Natal grass, red Natal grass, Holme's grass, blanketgrass; French: herbe du Natal, herbe rose, herbe pappangue; tricholène (New Caledonia); Other: salapona (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke
Merremia tuberosa English: wood rose, Spanish arborvine, yellow morning-glory; French: liane-à-tonelle, liane-jaune; Other: alarrak (Saipan); pilikai (Hawai‘i) Rarotonga

Muntingia calabura

English: jam tree, strawberry tree, Jamaican cherry, Singapore cherry, Panama cherry, Panama berry, ornamental cherry, calabura, sirsen; French: bois ramier; Other: venevene (Cook Islands (Penrhyn)); capulin (Fiji, French Polynesia); manzanilla, mansanita, manzanita (Guam, CNMI), budo (Palau, Yap) Rarotonga

Murraya paniculata

English: orange jessamine, satin-wood, Chinese box, Hawaiian mock orange; Other: tiare ‘ānani (Cook Islands, French Polynesia) Rarotonga, 'Atiu, Mangaia
Nymphaea spp. English: water lily; Other: riri vai (Cook Islands) Rarotonga, 'Atiu, Mangaia, Ma'uke
Odontonema tubaeforme English: fire spike, cardinal flower; Other: totoē (American Samoa and Samoa) Rarotonga, Mangaia
Operculina ventricosa English: paper rose, St. Thomas lidpod; Other: alalag (Guam); palulu (Samoa); fue hina (Tonga) Rarotonga
Paraserianthes lophantha English: brush wattle, plume albizia, plume acacia, stink bean Rarotonga
Paspalum dilatatum English: paspalum, dallis grass, water grass; French: paspalum dilaté, herbe sirop, herbe de miel, herbe de dallis, millet bâtard; Other: hiku nua (Niue) Rarotonga, Ma'uke, Miti'aro
Paspalum urvillei English: Vasey grass; French: herbe de Vasey, paspalum d'Urville; Other: tinikarāti (Cook Islands (Mangaia)) Rarotonga, Mangaia
Passiflora foetida English: love-in-a-mist, wild passion fruit, passionflower, stinking passionflower; French: passiflore; Spanish: bedoca (Galapagos Is.); Other: pasio vao (American Samoa and Samoa); bombom (Chuuk), sou, loliloli ni kalavo, qaranidila (Fiji); pohapoha (Hawai‘i); lani wai (Hawai‘i (Ni‘ihau)); tea biku (Kiribati); vine vao (Niue); kudamono (Palau); pompom, pwomwpwomw (Pohnpei); kinahulo‘ atdao, dulce (Saipan); vaine ‘initia (Tonga); tomates (Yap) Rarotonga

Passiflora laurifolia

English: yellow granadilla, belle apple, yellow water-lemon; French: pomme-liane, pomme d'or; Other: pasio vao (Samoa); vaine 'ae kuma (Tonga) Ma‘uke

Passiflora ligularis

English: sweet granadilla, yellow passionfruit; French: granadille, grenadille douce, barbadine; French: granadille, grenadille douce, barbadine; Other: lemi wai, lani wai, lemona (Hawai‘i) Ma'uke
Passiflora maliformis English: hard-shelled passionfruit, sweet calabash, sweet cup; French: pomme calabas; Other: pārapōutini ‘enua, pārapōutini Maori (Cook Islands); ka‘atene Maori, katinga Maori (Cook Islands (Mangaia)); pasio (Samoa), vaine kai (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro

Pennisetum purpureum

English: elephant grass, napier grass, merker grass; French: herbe éléphant, fausse canne à sucre; Spanish: pasto elefante; Other: ‘erepani (Cook Islands (‘Atiu)); acfucsracsracsr (Kosrae); bokso (Palau); puk-soh (Pohnpei); vao bovi (Samoa) Rarotonga, 'Atiu, Mangaia

Pennisetum setaceum

English: fountain grass Rarotonga
Phyllostachys bissetii English: running bamboo Mangaia

Phyllostachys nigra

English: black bamboo; French: bambou noir Rarotonga

Pimenta racemosa

English: bay tree, bay rum tree, bay oil tree, malagueta; Other: sinamoni (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro

Pinus caribaea

English: Caribbean pine, Bahamas pine; Other: paina papa‘ā (Cook Islands (Mangaia)); paina (Samoa); paini (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke
Pistia stratiotes English: water lettuce, tropical duckweed; French: laitue d'eau, pistie; Other: lechuguita de agua, repollo de agua , apon-apon, apoe-apoe, beo-cai, chawk Rarotonga
Platycerium bifurcatum English: elkhorn fern, staghorn fern Rarotonga
Psidium cattleianum English: strawberry guava, cherry guava, Cattley guava, Chinese guava; French: goyavier de Chine; Other: tūava papa‘ā (Cook Islands); ngguava (Fiji), tuava tinito, tuvava tinito (French Polynesia); waiawi ‘ula‘ula (Hawai'i); kuahpa (Pohnpei); ku‘ava (Samoa) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro

Pyrostegia venusta

English: flame vine, flame flower, golden shower, orange trumpet vine Rarotonga

Quisqualis indica

English: Rangoon creeper Rarotonga
Ricinus communis English: castor bean, castor-oil plant; French: ricin; Spanish: higuerilla; Other: lama palagi, lama papalagi (American Samoa and Samoa); tuitui papa‘ā (Cook Islands); mbele ni vavalagi, toto ni vavalagi, utouto (Fiji); agaliya (Guam); koli, pa‘aila, ka‘apeha, kamakou, la‘au, ‘aila (Hawai‘i); tuitui, tuitui fua ikiiki (Niue); gelug, maskerekur, uluchula skoki (Palau); lepo, lepohina (Tonga) Rarotonga, 'Atiu, Mangaia
Samanea saman English: monkeypod, rain tree, saman; French: arbre de pluie; Other: tronkon mames, trongkon-mames (CNMI-Chamorro); filinganga (CNMI-Carolinian); gumor ni spanis (Yap); 'ohai, pu ‘ohai (Hawai'i); vaivai ni vavalangi, vaivai ni vavalagi (Fiji), malapa (Samoa); kasia (Tonga) Rarotonga, Mangaia, Ma'uke, Miti'aro
Sanchezia speciosa English: sanchezia. Rarotonga
Schefflera actinophylla English: octopus tree, umbrella tree, ivy palm; French: arbre-pieuvre, arbre ombelle Rarotonga
Senna alata English: candle bush; candelabra bush, Roman candle tree, emperor's candlesticks, ringworm bush (Australia), alcapulco; French: epis d’or, bois dartre, dartres; Other: fa‘i lafa, la‘au fai lafa (American Samoa, Samoa and Tonga); arakak (Chuuk); mbai ni thangi (Fiji); akapuku, andadose, candalaria, take-biha (Guam); mulamula (Niue); kerula besokel, yult (Palau); rakau honuki, truke-n-kili-n-wai, tuhkehn kilin wai, tirakahonuki (Pohnpei); bakau plant (Solomon Islands); te‘elango (Tonga); flay-n-sabouw (Yap) Rarotonga

Senna siamea

English: cassod tree, kassod tree, Siamese cassia, pheasantwood, Thailand shower; French: bois perdrix; Other: kasia (Tonga) ‘Atiu
Senna tora English: foetid cassia, stinking cassia, Java-bean, sickle senna, sicklepod, Chinese senna, peanut weed, sickle senna; French: cassier sauvage, pois puant, séné; Other: vao pinati (American Samoa and Samoa); kaumoce, kaumothe, pini, tarota (Fiji); mumutun admelon, mumutun palaoan, amot-tumaga carabao (Guam), te’epulu, tengafefeka (Tonga) Ma'uke
Sesbania grandiflora English: sesbania, hummingbird tree, sesban, scarlet wisteria tree, corkwood tree; French: agati a grandes fleurs; Other: agati, agathi (Fiji); oufai, ofai, ouai (French Polynesia); katurai (Guam); ohai ke‘oke‘o (Hawai‘i); sepania (Samoa) Rarotonga, Mangaia

Setaria palmifolia

English: palmgrass, short pitpit, hailans pitpit, broadleaved bristlegrass; Other: vao ‘ofe‘ofe (Samoa)

Setaria pumila

English: foxtail, garden bristle grass, hairy-tail grass, yellow bristlegrass, Queensland pigeon grass (Australia), cat's tail grass (Fiji); French: sétaire glauque Rarotonga, 'Atiu, Mangaia

Solandra maxima

English: golden cup, cup of gold, chalice vine; Spanish: copa de oro Rarotonga, Mangaia
Solanum capsicoides English: cockroach berry, devil’s apple, soda apple; Other: poro‘iti taratara (Cook Islands); kikania kei, akaaka, akaka (Hawai'i) Rarotonga, 'Atiu, Ma'uke
Sphagneticola trilobata English: wedelia, trailing daisy, Singapore daisy, creeping ox-eye; Other: ngesil ra ngebard (Palau); dihpw ongohng, tuhke ongohng (Pohnpei); rosrangrang (Kosrae); ut mõkadkad, ut telia (Marshall Islands); atiat (Puluwat); ate (Tonga) Rarotonga, 'Atiu
Stenotaphrum secundatum English: buffalo grass, St. Augustine grass; French: chiendent de boeuf; Spanish: pasto San Augustín; Other: ‘aki‘aki haole, mānienie ‘aki‘aki, mānienie ‘aki‘aki haole, mānienie māhikihiki (Hawai‘i) Rarotonga
Stylosanthes guianensis English: stylo, Brazilian lucerne, tropical lucerne, Nigerian stylo; Other: mauku puakatoro (Cook Islands (‘Atiu)) ‘Atiu, Ma'uke
Tabebuia heterophylla English: pink tecoma, pink trumpet tree, white cedar; Other: calice du pape Rarotonga

Thevetia peruviana

English: yellow oleander, be-still tree, lucky nut; French: oléandre jaune; Other: koneta (Chuuk); venevene (Cook Islands (Mangaia)), ‘enere (Cook Islands (Ma‘uke, Miti‘aro)); nohomalie (Hawai'i); irelepsech (Yap) Rarotonga, Mangaia, Miti'aro

Thunbergia alata

English: black-eyed susan vine; French: suzanne aux yeux noirs Rarotonga

Thunbergia fragrans

English: white lady, white thunbergia, sweet clock-vine; Other: fue hina (Tonga) Rarotonga, Mangaia, Miti’aro

Thunbergia grandiflora

English: Bengal trumpet, blue trumpet vine, clock vine, skyvine, large-flowerd thunbergia; Other: bung el etiu (Palau) Rarotonga

Thunbergia laurifolia

English: purple allamanda, laurel-leaved thunbergia, laurel clock vine Rarotonga
Tibouchina urvilleana English: glorybush, lasiandra, princess flower Rarotonga
Toona ciliata English: Australian red cedar, toon, surian, Indian mahogany; Other: wood pikake (Hawai‘i); tuna (Samoa);, sita kula (Tonga) Mangaia
Tradescantia zebrina English:  wandering zebrina, wandering jew, inchplant; Other: mauku papa‘ā (Cook Islands (Mangaia)) Rarotonga, Mangaia, Ma'uke
Trema orientalis English: charcoal tree, gunpowder tree; Other: agaunai, banahl, tal amama (CNMI); elodechoel (Palau); uanin (Yap); ndrou, ndroundrou, ndrikanaithembe (Fiji); aere (French Polynesia), mangele, manele, magele (Niue, Samoa, Tonga) Mangaia
Urena lobata English: hibiscus burr, aramina, caesarweed, pink Chinese burr, urena burr, bur mallow; French: jute africain, cousin urène; Other: mautofu (American Samoa and Samoa); nognuk, ocher (Chuuk); qatima, gataya, nggatima (Fiji); vavai tara tītā (Cook Islands (Ma‘uke)); piripiri (Cook Islands, French Polynesia); dadangsi, dadangsi apaka, dadangsi machingat, dádangse (Guam); motipo, mosipo (Niue); chosuched e kui, osuched a rechui (Palau); karap, korop (Pohnpei); mo'osipo Tonga (Tonga) Rarotonga, 'Atiu, Mangaia, Ma'uke, Miti'aro
Urochloa subquadripara English: brachiaria, green summer grass, tropical signalgrass, cori grass Ma'uke, Miti'aro

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This page revised 22 April 2006