Pacific Island Ecosystems at Risk (PIER)


Report on invasive plant species in Palau (2002 survey)


Appendix 6.  Presence of invasive species of environmental concern within Palau

Table 4.   Species of environmental concern present elsewhere in Palau but not on Kayangel

Scientific name

Common Names (abridged)

Family

Present on:

Abelmoschus moschatus fautia, musk mallow, musk okra, gongul (Palau) Malvaceae Babeldaob, Peleliu
Acacia confusa Formosa koa, Formosa acacia, ianángi (Palau), yanangi (Palau) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Acacia farnesiana Ellington curse, klu, sweet acacia Fabaceae Babeldaob
Acacia mangium mangium, brown salwood, black wattle, hickory wattle Fabaceae Babeldaob
Adenanthera pavonina coral bean tree, red sandalwood tree, red bead tree, lopa, bead tree, false wiliwili, telengtúngd (Palau), telentundalel (Palau)) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Agave sisalana sisal, sisal hemp Agavaceae Babeldaob
Agave sp. American aloe, century plant Agavaceae Koror, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort)
Albizia lebbeck siris-tree, rain tree, East Indian walnut, kokko, woman's-tongue tree, ukall ra ngebard (Palau) Fabaceae Koror

Allamanda cathartica

yellow trumpet vine, golden trumpet, allamanda, brownbud allamanda, golden allamanda, golden cup Apocynaceae Koror, Malakal, Ngerkebesang, Babeldaob

Alpinia purpurata

red ginger Zingiberaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Alternanthera brasiliana Brazilian joyweed, Joseph’s coat Amaranthaceae Koror, Malakal, Ngerkebesang, Babeldaob, Ngercheu (Carp Resort)
Antigonon leptopus Mexican creeper, mountain rose, Confederate vine, chain-of-love, hearts on a chain, love-vine, coral bells, coral vine, dilngau (Palau) Polygonaceae Koror, Babeldaob
Arundo donax giant reed, Spanish reed, wild cane Poaceae Koror, Babeldaob
Asparagus densiflorus asparagus fern, sprengeri fern, smilax, regal fern Liliaceae Koror, Ngerkebesang
Asystasia gangetica subsp. gangetica Chinese violet, Philippine violet, coromandel Acanthaceae Koror, Malakal, Ngerkebesang, Babeldaob
Bambusa spp. bamboo, bambuu (Palau), esel (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Sonsorol
Barleria lupulina hophead, Philippine violet Acanthaceae Babeldaob
Bauhinia acuminata dwarf white bauhinia Fabaceae Koror
Bauhinia monandra orchid-tree, St. Thomas-tree, Napoleon's plume Fabaceae Koror, Babeldaob
Bauhinia purpurea purple orchid tree; purple butterfly tree Fabaceae Koror, Babeldaob
Bauhinia variegata orchid tree; mountain ebony Fabaceae Babeldaob
Bothriochloa bladhii blue grass, Australian beardgrass, Caucasian bluestem, desum (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Bkul a Chesemiich
Bryophyllum pinnatum life plant, air plant, resurrection plant, Canterbury bells, cathedral bells, Mexican love plant Crassulaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu, Ngercheu (Carp Resort, Sonsorol
Calamus spp. rattan, bangerenguis ra ngebard (Palau) Arecaceae Babeldaob
Calliandra calothyrsus powderpuff red calliandra Fabaceae Babeldaob
Calliandra haematocephala red powder puff Fabaceae Koror
Calopogonium mucunoides calopo Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Calotropis gigantea calotrope, crown flower, madar Ascelepiadaceae Koror, Ngerkebesang, Babeldaob, Peleliu
Canna indica canna, canna lily, Indian shot Cannaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Sonsorol, Tobi
Cenchrus brownii burr grass, burr grass, sand-bur, slimbristle sandbur Poaceae Malakal, Angaur, Peleliu

Centrosema pubescens

centro, butterfly-pea Fabaceae Koror, Malakal, Babeldaob
Chamaecrista mimosoides Japanese tea Fabaceae Koror, Ngerkebesang, Babeldaob
Chamaecrista nictitans partridge pea, Japanese tea senna Fabaceae Koror, Malakal, Babeldaob

Chloris barbata

swollen fingergrass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu

Chloris radiata

plush-grass, radiate fingergrass Poaceae Koror, Babeldaob
Chromolaena odorata Siam weed, triffid weed, bitter bush, Jack in the bush, ngesngesil (Palau) Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngidech
Chrysopogon aciculatus Mackie's pest, lovegrass, seed grass, golden beardgrass, iul (Palau) Poaceae Koror, Babeldaob, Peleliu, Sonsorol, Tobi
Cinnamomum verum cinnamon tree Lauraceae

Reported present by Fosberg et al.(1979), no location given

Clerodendrum paniculatum pagoda plant, pagoda flower, butcherechár (Palau), butecherechar (Palau) Lamiaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu

Clidemia hirta

Koster’s curse, soap bush, kui (Palau), kúi (Palau) Melastomataceae Malakal, Babeldaob
Clitoria ternatea butterfly pea, Asian pigeonwings, kles (Palau) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Coffea arabica coffee, kohi (Palau) Rubiaceae Koror, Babeldaob
Commelina diffusa commelina, dayflower, wandering Jew, spiderwort Commelinaceae Koror, Malakal, Babeldaob
Crotalaria micans crotalaria Fabaceae Babeldaob
Cryptostegia madagascariensis Madagascar rubbervine Asclepiadaceae Koror, Babeldaob
Cynodon dactylon Bermuda grass, giant Bermuda grass, bahama grass, devil's grass, couch grass, Indian doab, grama, devilgrass, couchgrass, balama grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Tobi
Cyperus involucratus umbrella sedge, umbrella plant, dwarf papyrus grass, deus (Palau) Cyperaceae Koror
Cyperus rotundus nut grass, nutsedge, purple nutsedge, cocograss Cyperaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort)
Derris elliptica derris Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Desmanthus virgatus slender mimosa, virgate mimosa Fabaceae Koror, Malakal, Ngerekbesang, Babeldaob
Desmodium tortuosum Florida beggarweed, Spanish clover, dixie ticktrefoil Fabaceae Koror

Dieffenbachia seguine

dieffenbachia, dumb cane Araceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu

Digitaria ciliaris

Henry's crabgrass, smooth crabgrass, tropical crab grass, large crab grass, southern crabgrass, fingergrass, summer grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort), Ngerchong, Ngidech, Pulo Ana
Digitaria violascens smooth crabgrass, violet crabgrass, sau (Palau) Poaceae Babeldaob
Dissotis rotundifolia dissotis, Spanish shawl, pink lady Melastomataceae Koror
Eichhornia crassipes water hyacinth, bung el ralm (Palau) Pontederiaceae Koror, Ngerkebesang, Babeldaob
Elaeocarpus angustifolius blue fig, blue marble tree, quandong (Australia) Elaeocarpaceae

Reported present by Fosberg et al.(1979), no location given

Epipremnum pinnatum cv. 'Aureum'

pothos, money plant Araceae Koror (cult.), Malakal, Ngerkebesang
Falcataria moluccana Molucca albizia, ukall ra ngebard (Palau) Fabaceae Koror
Ficus elastica India rubber tree, rubber plant, komunokí (Palau) Moraceae Koror, Malakal, Ngerkebesang
Flemingia macrophylla Fabaceae Koror, Babeldaob
Flemingia strobilifera luck plant, wild hops, besungelaiei (Palau) Fabaceae Koror, Ngerkebesang
Gliricidia sepium mother of cacao, quickstick, Mexican lilac, rechesengel (Palau) Fabaceae Koror, Ngerkebesang, Babeldaob, Tobi
Gmelina ellilptica kalngebard ra belau (Palau) Lamiaceae Malakal, Babeldaob
Hedychium coronarium white ginger, butterfly lily, ginger lily, garland flower Zingiberaceae Koror, Ngerkebesang
Heliconia spp. heliconia, parrot's-flower, parrot's-plantain, crab claw, lobster claw Heliconiaceae Koror, Malakal, Ngerkebesang
Hemigraphis alternata metal leaf; red ivy Acanthaceae Koror, Malakal, Ngerkebesang
Hevea brasiliensis hevea, Brazilian rubber tree, Para rubber tree Euphorbiaceae Koror?, Babeldaob?
Hyptis capitata knobweed Lamiaceae Koror, Malakal, Ngerkebesang

Hyptis pectinata

comb hyptis, comb bushmint, mint weed, purple top Lamiaceae Babeldaob, Angaur
Imperata cylindrica blady grass, cogon grass, satintail, kasoring (Palau) Poaceae Babeldaob
Inga edulis ice cream bean Fabaceae Koror

Ipomoea aquatica

aquatic morning glory, swamp cabbage, water spinach, ung-choi, kang kong, kankum (Palau), kangum (Palau), kangkum (Palau) Convolvulaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu,
Ipomoea hederifolia ivy-leaf morning glory, star ipomoea, trompillo Convolvulaceae Babeldaob
Ischaemum polystachyum paddle grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Aulupse‘el
Ischaemum rugosum muraina grass, wrinkle duck-beak, saramatta grass Poaceae Babeldaob
Ischaemum timorense centipede grass, stalkleaf murainagrass, lucuntu grass Poaceae Babeldaob, Peleliu
Jacaranda mimosifolia jacaranda Bignoniaceae Koror
Jatropha curcas physic nut, purging nut, Barbados nut Euphorbiaceae Koror, Babeldaob
Jatropha gossypiifolia bellyache bush, cotton-leaved physic nut Euphorbiaceae Koror, Ngerkebesang
Kyllinga brevifolia green kyllinga, green water sedge, esechesiding (Palau) Cyperaceae Koror, Babeldaob
Kyllinga nemoralis white kyllinga, whitehead spikesedge, whitewater sedge Cyperaceae Koror, Babeldaob, Sonsorol
Lantana camara lantana Verbenaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort)
Leonurus japonicus lion’s tail, Chinese motherwort Lamiaceae Koror
Leucaena leucocephala leucaena, wild tamarind, lead tree, telengtungd (Palau) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort), Ngerchong, Sonsorol

Macroptilium atropurpureum

siratro, purple bushbean Fabaceae Babeldaob
Macroptilium lathyroides cow pea, phasey bean, wild bean Fabaceae Babeldaob
Melaleuca quinquenervia melaleuca, cajeput, paper bark tree, punk tree Myrtaceae Babeldaob
Melia azedarach Chinaberry, pride-of-India, indian lilac, Persian lilac, white cedar, margosa tree Meliaceae Koror
Melinis minutiflora melinis, molasses grass Poaceae Babeldaob
Mikania micrantha mile-a-minute weed, Chinese creeper, American rope, bittervine, teb el yas (Palau) Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu
Mimosa diplotricha giant sensitive plant, nila grass, mechiuaiu (Palau) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob
Mimosa pudica   Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Murraya paniculata orange jessamine, satin-wood, Chinese box, Hawaiian mock orange Rutaceae Koror, Ngerkebesang, Babeldaob
Nymphaea spp. water lily Nymphaeaceae Koror
Ocimum gratissimum wild basil, clove basil, tree basil Lamiaceae Koror, Ngerkebesang, Babeldaob, Tobi
Panicum repens torpedo grass, couch panicum, creeping panic Poaceae Koror
Paspalum conjugatum T grass, ti grass, sour grass; sour palpalum, buffalo grass, carabao grass, Hilo grass (Hawai'i), udel ra ngebei (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngerchong, Ngeanges, Urukthapel, Ulong, Sonsorol, Tobi

Paspalum paniculatum

Russell river grass, galmarra grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Passiflora edulis passion fruit, yellow passion fruit, purple passion fruit, qarandila, purple granadilla, kudamono (Palau) Passifloraceae Koror, Babeldaob
Passiflora foetida love-in-a-mist, wild passion fruit, passionflower, stinking passionflower, kudamono (Palau) Passifloraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Passiflora quadrangularis granadilla, giant granadilla, kudamono (Palau) Passifloraceae Koror, Babeldaob
Passiflora suberosa wild passionfruit, devil's pumpkin, indigo berry, corky passionflower, corkstem passionflower Passifloraceae Malakal, Koror
Pennisetum polystachion mission grass, feathery pennisetum, desum (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu
Pennisetum purpureum elephant grass, napier grass, merker grass, bokso (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu
Pennisetum setaceum fountain grass Poaceae Ngerkebesang, Babeldaob
Pithecellobium dulce Madras thorn, Manila tamarind, sweet inga, kamatsiri (Palau), kamatsíri (Palau), opiuma (Palau) Fabaceae Koror
Plectranthus amboinicus Mexican mint, Spanish thyme, Cuban oregano Lamiaceae Koror
Pluchea carolinensis sour bush Asteraceae Peleliu
Pluchea indica Indian fleabane, Indian pluchea, Indian camphorweed Asteraceae Angaur, Peleliu
Psidium cattleianum strawberry guava, cherry guava, Cattley guava, Chinese guava Myrtaceae Koror
Psidium guajava guava, guabang (Palau), kuabang (Palau) Myrtaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Bkul a Chesemiich, Ngerchong, Sonsorol
Quisqualis indica Rangoon creeper Combretaceae Ngerkebesang, Babeldaob
Ricinus communis castor bean, castor-oil plant, gelug (Palau), maskerekur (Palau), uluchula skoki (Palau) Euphorbiaceae Angaur, Peleliu
Saccharum spontaneum wild cane, false sugarcane, banga ruchel (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu
Sacciolepis indica glenwood grass Poaceae Koror, Babeldaob
Sambucus mexicana elderberry, Mexican elder Caprifoliaceae Koror
Sanchezia parvibracteata sanchezia Acanthaceae Koror, Malakal, Ngerkebesang, Babeldaob
Sansevieria trifasciata bowstring hemp, mother-in-law’s tongue, kitelel (Palau) Agavaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu, Ngercheu (Carp Resort, Tobi
Schefflera actinophylla octopus tree, umbrella tree, ivy palm Araliaceae Koror (eradicated?)
Schefflera arboricola dwarf brassia, dwarf schefflera, Hawaiian elf schefflera Araliaceae Koror
Senna alata candle bush; candelabra bush, Roman candle tree, emperor's candlesticks, ringworm bush (Australia), alcapulco Fabaceae Koror, Ngerkebesang
Senna obtusifolia habucha, coffeeweed, sicklepod Fabaceae Koror, Babeldaob, Peleliu
Senna siamea cassod tree, kassod tree, Siamese cassia, pheasantwood, Thailand shower Fabaceae Babeldaob
Sesbania grandiflora sesbania, hummingbird tree, sesban, scarlet wisteria tree, corkwood tree, katurai (Palau) Fabaceae Koror, Malakal, Babeldaob
Setaria pumila foxtail, garden bristle grass, hairy-tail grass, yellow bristlegrass, Queensland pigeon grass (Australia) Poaceae Babeldaob
Solanum torvum prickly solanum, devil's fig, turkeyberry, terongan Solanaceae Babeldaob
Sorghum halepense Johnson grass, Aleppo grass, Aleppo milletgrass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob
Spathodea campanulata African tulip tree, fireball, fountain tree, orsachel kui (Palau) Bignoniaceae Koror, Ngerkebesang, Babeldaob
Sphagneticola trilobata wedelia, trailing daisy, Singapore daisy, creeping ox-eye, ngesil ra ngebard (Palau) Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Sporobolus indicus smutgrass, wiregrass, Indian dropseed Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Bablomekang, Bkul a Chesemiich, Ngerchong, Ngeanges (Neco), Sonsorol, Tobi
Stylosanthes guianensis stylo, Brazilian lucerne, tropical lucerne, Nigerian stylo Fabaceae Babeldaob
Syngonium angustatum arrowhead plant, goosefoot plant Araceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Syzygium cumini Java plum; jambolan plum, mesegerak (Palau), mesekerrak (Palau), mesekerrák (Palau), mesigerak (Palau) Myrtaceae Koror, Babeldaob, Aulupse‘el
Syzygium jambos malabar plum, rose apple, Malay apple Myrtaceae Koror, Babeldaob
Tabebuia heterophylla pink tecoma, pink trumpet tree, white cedar Bignoniaceae Koror, Malakal, Ngerkebesang, Babeldaob
Tecoma stans yellow bells, yellow-elder, yellow trumpetbush Bignoniaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngerchong, Pulo Ana, Sonsorol, Tobi
Tephrosia candida white tephrosia, white hoary-pea Fabaceae Babeldaob
Thevetia peruviana yellow oleander, be-still tree, lucky nut Apocynaceae Koror, Malakal, Ngerkebesang, Babeldaob, Peleliu
Tithonia diversifolia tree marigold, shrub sunflower, Mexican sunflower, Japanese sunflower Asteraceae Koror, Babeldaob
Triumfetta rhomboidea Chinese burr, paroquet burr, burr bush Tiliaceae Babeldaob
Turnera subulata white alder Turneraceae Koror, Ngerkebesang, Babeldaob
Turnera ulmifolia yellow alder, sage rose, West Indian holly Turneraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Urena lobata hibiscus burr, aramina, caesarweed, pink Chinese burr, urena burr, bur mallow, chosuched e kui (Palau), osuched a rechui (Palau) Malvaceae Koror, Babeldaob, Angaur
Urochloa mutica California grass, para grass, buffalo grass, Mauritius grass, signal grass Poaceae Koror, Malakal, Babeldaob
Urochloa subquadripara brachiaria, green summer grass, tropical signalgrass, cori grass Poaceae Malakal
Vitex parviflora small-leaved vitex, smallflower chastetree) Verbenaceae Reported present by Fosberg et al. (1979) in Malakal (Toirechuil)

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This page revised 7 April 2009