Pacific Island Ecosystems at Risk (PIER)


Report on invasive plant species in the Cook Islands


Appendix 10. Invasive and potentially invasive species reported to be present on other Cook Islands

Scientific Name

Common Names

Family

Habit

Other Cook Is. Locations

Acacia mangium English: mangium, brown salwood, black wattle, hickory wattle; Other: ākasia (Cook Islands); tuhkehn pwelmwahu (Pohnpei) Fabaceae tree Penrhyn
Annona muricata English: soursop, prickly custard apple; French: corossolier, cacheimantier épineux, cachiman épineux, corossol épineux; Other: kātara‘apa (Cook Islands); kātara‘apa papa‘ā (Cook Islands (Mangaia)); naponapo taratara (Cook Islands (Aitutaki)); saasaf, sasaf (Chuuk); tapotapo papaa (French Polynesia); laguana, laguaná, laguanaha, laguanaba, labuanaha (Guam); sosap (Kosrae); jojaab (Marshall Islands); syasyap (Northern Mariana Islands), talapo fotofoto (Niue), sausab (Palau); sei, sae, truka shai (Pohnpei); sasalapa (Samoa); ‘apele ‘initia (Tonga); sausau (Yap) Annonaceae tree Penrhyn (cult.?)
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) Annonaceae tree Manihhiki (cult.?), Penrhyn (cult.?), Pukapuka (cult.?)
Asparagus setaceus English: ornamental asparagus, climbing asparagus fern, plumosa; French: asperge plumeuse; Other: remu (Cook Islands); taupo ‘ou (Tonga) Liliaceae vine Palmerston
Bryophyllum pinnatum English: life plant, air plant, resurrection plant, Canterbury bells, cathedral bells, Mexican love plant; Spanish: hoja del aire; Other: ngāngā‘ere toka (Cook Islands); bulatawamudu (Fiji); ‘oliwa ku kahakai (Hawai'i); teang (Kiribati); kibilia (Marshall Islands); tupu he lau, tupu noa (Niue); pagi (Samoa); pipi vao (Tonga) Crassulaceae herb Manihiki, Rakahanga (cult.)
Cenchrus echinatus English: burgrass, sand-bur, southern sandbur, Mossman River grass (Australia); French: herbe a cateaux (Mauritius); Other: tuitui, vao tuitui (American Samoa and Samoa); piripiri (Cook Islands); pārango (Cook Islands (Ngaputoru)); se mbulabula (Fiji); piri-piri, pipiri (French Polynesia); mau‘u kuku, ‘ume‘alu (Hawai'i); te anti, te kateketeke (Kiribati); cram-cram (New Caledonia); motie vihilago, mosie vihilango (Niue); lõklõk, kãlõklõk, lellik, lekelik, liklik, karmwijmwij, karumwij (Marshall Islands); cauit-cauitan (Philippines); hefa (Tonga) Poaceae grass Manihiki, Manuae, Nassau, Palmerston, Penrhyn, Rakahanga, Pukapuka
Chloris barbata English: swollen fingergrass, purpletop chloris (Australia), airport grass (Fiji); Other: mau’u lei (Hawai'i) Poaceae grass Penrhyn
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) Verbenaceae shrub Manihiki
Commelina diffusa English: commelina, dayflower, wandering Jew, spiderwort; Spanish: chiriyuyo; Other: mauku-vai, mauku ‘oro‘enua, mauku puakatoro (Cook Islands); semprebiban-damalong (Guam); honohono (Hawai‘i); mau‘utoga, mau‘u Tonga (American Samoa and Samoa); mohuku vai, musie matala pulu (Tonga); ai rorongi, ai rongorongo, airogorogo, cobulabula, rongomatailevu, thombulambula, matembulambula, drano,duludauwere, ndrano, ndulandauwere, luna, tho nggalonggalo (Fiji), ma‘apape (French Polynesia) Commelinaceae herb Manihiki
Cryptostegia madagascariensis English: Madagascar rubber vine Asclepiadaceae vine Penrhyn (cult.)
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) Poaceae grass Manihiki, Penrhyn
Cyperus rotundus English: nut grass, nutsedge, purple nutsedge, cocograss; French: souchet rond, souchet à tubercules, herbe à oignon; Other: mauku ‘ōniāni, ‘ōniāni (Cook Islands); soro na kambani, sora na kambani, soro ni kabani, ivako, malanga, vucesa, motha, vuthesa mot ha (Fiji); chaguan humatag (Guam); kili'o'opu, mau‘u mokae (Hawai‘i); te mumute (Kiribati); tuteoneon (Marshall Islands); mumuta (Samoa, Tokelau); pakopako (Tonga) Cyperaceae sedge Penrhyn
Dieffenbachia seguine English: dieffenbachia, dumb cane; Other: yalu ni vavalagi (Fiji) Araceae herb Penrhyn (cult.)
Digitaria ciliaris English: Henry's crabgrass, smooth crabgrass, tropical crab grass, large crab grass, southern crabgrass, fingergrass, summer grass; French: digitaire ciliée; Other: kukaepua'a (Hawai'i); Saulangi (Niue) Poaceae grass Manihiki, Manuae, Palmerston, Penrhyn, Pukapuka, Rakahanga
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 (Hawaii); 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) Poaceae grass Manihiki, Nassau, Palmerston, Penrhyn, Pukapuka, Rakahanga
Eugenia uniflora English: Surinam cherry, red Brazil cherry; French: cerisier carré, cerisier de Cayenne; Other: venevene (Cook Islands); menemene (Cook Islands (Mangaia)); kafika, kafika palangi (Niue), pitanga (Brazil) Myrtaceae shrub/tree Manihiki, Palmerston
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) Cyperaceae sedge Pukapuka, Rakahanga

Kyllinga nemoralis

English: white kyllinga, whitehead spikesedge, whitewater sedge; Other: neke ‘enua (Cook Islands (Ma‘uke, Ngaputoru?)); chaguan lemae, botoncillo (Guam—Chamorro); kili‘o‘opu (Hawai‘i), ta‘a ta‘a, ta‘a ta‘a vili taliga, matie upo‘o, matie Tahiti, mo‘u upo‘onui, mo‘u upo‘o, tuise (Samoa); pakopako, pakopako ‘ae kuma (Tahiti); tuise (Tonga) Cyperaceae sedge Penrhyn, Rakahanga
Mimosa pudica English: sensitive plant, sleeping grass; French: sensitive; Other: la‘au fefe, vao fefe, vao tuitui, tuitui (American Samoa and Samoa); pikika‘a, rākau pikika‘a, rākau ‘avare, rākau ‘avarevare, tiare pikika‘a, tītā pikika‘a, rākau pikika (Cook Islands); paope ‘āvare (Cook Islands (Ngaputoru)); tho ngandrongandro, tho kandrodandro, cogadrogadro (Fiji); pohe ha‘avare, pope ha‘avare (French Polynesia); betguen sosa (Guam); pua hilahila (Hawai‘i); memege (Niue); mechiuaiu (Palau); limemeihr (Pohnpei); mateloi (Tonga) Fabaceae herb Palmerston
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) Tiliaceae tree Manihiki, Penrhyn, Pukapuka, Rakahanga
Paspalum conjugatum English: T grass, ti grass, sour grass; sour palpalum, buffalo grass, carabao grass, Hilo grass (Hawai'i); French: herbe sure, herbe créole; herbe de tauère (New Caledonia); Other: vaolima, (American Samoa, Samoa, Tonga, Niue); fetin wumwune (Chuuk); mauku taravao, mauku katini (Cook Islands); mau‘u Hilo (Hawai‘i), muhsrasre (Kosrae); moise vaolima, motie vaolima (Niue and Tonga); udel ra ngebei (Palau); rehn wai (Pohnpei); vaolima matafao, vaolima papalagi (Samoa) Poaceae grass Palmerston, Rakahanga

Pluchea carolinensis

English: sour bush Asteraceae shrub Penrhyn

Pluchea indica

English: Indian fleabane, Indian pluchea, Indian camphorweed Asteraceae shrub Penrhyn

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) Myrtaceae tree Manihiki

Psidium guajava

English: guava; French: goyavier; Spanish: guayaba, guayabo; Other: ku‘ava (American Samoa, Tonga, Tuvalu, Fiji, Samoa); kuafa (Chuuk); tūava, tūvava (Cook Islands, French Polynesia); quwawa, nguava, ngguava ni India, amrut (Fiji); tumu tuava (French Polynesia); abas guayaba (Galapagos); abas (Guam, Saipan-Chamorro, Yap); kuawa, kuawa ke‘oke‘o, kuawa lemi, kuawa momona, pauwa (Hawai‘i); kuhfahfah (Kosrae); te kuava, te kuawa (Kiribati); kuwawa (Nauru); kautoga, kautonga, kautoga tane, kautonga tane (Niue); guabang, kuabang (Palau); guahva, kuahpa (Pohnpei); apas (Saipan); abwas (Saipan-Carolinian) Myrtaceae tree Manihiki, Palmerston, Penrhyn, Pukapuka, Rakahanga
Sansevieria trifasciata English: bowstring hemp, mother-in-law’s tongue; French: chanvre d'Afrique; Other: riri (Cook Islands); tigre (Guam), kitelel (Palau) Agavaceae herb Manihiki, Nassau, Palmerston, Penrhyn, Pukapuka, Rakahanga
Spathodea campanulata English: African tulip tree, fireball, fountain tree; French: tulipier du Gabon, pisse-pisse; Spanish: tulipan africano; Other: kō‘ī‘ī, mimi, pātītī vaipatiti vai, pititi vai (Cook Islands); mata kō‘ī‘ī ko‘i‘i (Cook Islands (Mangaia)); apär (CNMI); taga mimi (Fiji); orsachel kui (Palau); tuhke dulip (Pohnpei); fa‘apasi (Samoa); tiulipe (Tonga); rarningobchey (Yap) Bignoniaceae tree Manihiki
Stachytarpheta cayennensis English: blue rat's tail, dark-blue snakeweed, false verbena, nettleleaf velvetberry; French: herbe bleue; Other: ouchung, sakura (Chuuk), tiāki (Cook Islands (Miti‘aro)); louch beluu (Palau); mautofu tai, mautofu vao, matofu fualanumoana (American Samoa and Samoa); te uti (Kiribati); mautofu Samoa, motofu Samoa (Niue); hiku ‘i kuma, hiku‘kuma, ‘iku ‘i kuma, iku ‘ikuma (Tonga); turulakaka, tumbutumbu, serakawa, lavenia, se karakarawa (Fiji) Verbenaceae herb Manihiki, Palmerston, Pukapuka
Syngonium angustatum English: arrowhead plant, goosefoot plant Araceae vine Penrhyn
Tradescantia spathacea English: oyster plant, boat plant, boat lily, moses in a boat; Other: riri mangio (Cook Islands (Ma‘uke)); riri raei (Cook Islands (Miti‘aro)); talotalo, laupapaki (Niue); faina kula (Tonga) Commelinaceae herb Manihiki, Rakahanga
Tribulus cistoides English: puncture vine, caltrop, burrnut, Jamaican feverplant, goat’s head; Spanish: cacho de chivo; Other: nohu, nohunohu (Hawai‘i); te maukinikini (Kiribati) Zygophyllaceae herb Penrhyn

Source: Cook Islands Natural Heritage Project and Bill Sykes (pers. com.)


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