Pacific Island Ecosystems at Risk (PIER)


Report on invasive plant species in Palau (2002 survey)


Appendix 4.  Invasive species of environmental concern by location

Table 2.   Invasive species of environmental concern present on Babeldaob

Scientific name

Common Names (abridged)

Family

Habit

Abelmoschus moschatus fautia, musk mallow, musk okra, gongul (Palau) Malvaceae herb
Acacia auriculiformis Papuan wattle, auri, earleaf acacia, northern black wattle, ear-pod wattle Fabaceae tree
*Acacia confusa Formosa koa, Formosa acacia, ianángi (Palau), yanangi (Palau) Fabaceae tree
*Acacia farnesiana Ellington curse, klu, sweet acacia Fabaceae shrub
Acacia mangium mangium, brown salwood, black wattle, hickory wattle Fabaceae tree
Adenanthera pavonina coral bean tree, red sandalwood tree, red bead tree, lopa, bead tree, false wiliwili, telengtúngd (Palau), telentundalel (Palau)) Fabaceae tree
*Agave sp. American aloe, century plant Agavaceae succulent
Agave sisalana sisal, sisal hemp Agavaceae succulent

Allamanda cathartica

yellow trumpet vine, golden trumpet, allamanda, brownbud allamanda, golden allamanda, golden cup Apocynaceae vine

Alpinia purpurata

red ginger Zingiberaceae herb
Alternanthera brasiliana Brazilian joyweed, Joseph’s coat Amaranthaceae herb
*Antigonon leptopus Mexican creeper, mountain rose, Confederate vine, chain-of-love, hearts on a chain, love-vine, coral bells, coral vine, dilngau (Palau) Polygonaceae vine
Arundo donax giant reed, Spanish reed, wild cane Poaceae grass
*Asystasia gangetica subsp. gangetica Chinese violet, Philippine violet, coromandel Acanthaceae herb
Bambusa spp.
(B. vulbaris)
bamboo, bambuu (Palau), esel (Palau) Poaceae tree
Barleria lupulina hophead, Philippine violet Acanthaceae shrub
*Bauhinia monandra orchid-tree, St. Thomas-tree, Napoleon's plume Fabaceae tree
*Bauhinia purpurea purple orchid tree; purple butterfly tree Fabaceae tree
*Bauhinia variegata orchid tree; mountain ebony Fabaceae tree
Bothriochloa bladhii blue grass, Australian beardgrass, Caucasian bluestem, desum (Palau) Poaceae grass
Bryophyllum pinnatum life plant, air plant, resurrection plant, Canterbury bells, cathedral bells, Mexican love plant Crassulaceae succulent
Calamus spp. rattan, bangerenguis ra ngebard (Palau) Arecaceae shrub (palm)
*Calliandra calothyrsus powderpuff red calliandra Fabaceae shrub
Calopogonium mucunoides calopo Fabaceae vine
*Calotropis gigantea calotrope, crown flower, madar Ascelepiadaceae shrub
Canna indica canna, canna lily, Indian shot Cannaceae herb
**Casuarina equisetifolia casuarina, ironwood, Australian pine, she-oak, horsetail tree, beefwood, agas (Palau), agasu (Palau), ngas (Palau), ngasu (Palau) Casuarinaceae tree
*Ceiba pentandra kapok, kapok tree, silk-cotton tree, kalngebard (Palau), kalngebárd (Palau), kerrekar ngebard (Palau) Bombacaceae tree

Cenchrus echinatus

burr grass, sand-bur, southern sandbur Poaceae grass

Centrosema pubescens

centro, butterfly-pea Fabaceae vine
Chamaecrista mimosoides Japanese tea Fabaceae herb
Chamaecrista nictitans partridge pea, Japanese tea senna Fabaceae shrub

Chloris barbata

swollen fingergrass Poaceae grass

Chloris radiata

plush-grass, radiate fingergrass Poaceae grass

Chromolaena odorata

Siam weed, triffid weed, bitter bush, Jack in the bush, ngesngesil (Palau) Asteraceae shrub
**Chrysopogon aciculatus Mackie's pest, lovegrass, seed grass, golden beardgrass, iul (Palau) Poaceae grass
Clerodendrum buchananii var. fallax red clerodendrum, pagoda-flower, butcherechár (Palau), butecherechar (Palau) Lamiaceae shrub

Clerodendrum paniculatum

pagoda plant, pagoda flower, butcherechár (Palau), butecherechar (Palau) Lamiaceae shrub

Clerodendrum quadriloculare

bronze-leaved clerodendrum, kleuang (Palau) Lamiaceae shrub

Clidemia hirta

Koster’s curse, soap bush, kui (Palau), kúi (Palau) Melastomataceae shrub
Clitoria ternatea butterfly pea, Asian pigeonwings, kles (Palau) Fabaceae vine
*Coffea arabica coffee, kohi (Palau) Rubiaceae tree
Commelina diffusa commelina, dayflower, wandering Jew, spiderwort Commelinaceae herb
Crotalaria micans crotalaria Fabaceae shrub
*Cryptostegia madagascariensis Madagascar rubbervine Asclepiadaceae vine
Cynodon dactylon Bermuda grass, giant Bermuda grass, bahama grass, devil's grass, couch grass, Indian doab, grama, devilgrass, couchgrass, balama grass Poaceae grass
Cyperus rotundus nut grass, nutsedge, purple nutsedge, cocograss Cyperaceae sedge
Derris elliptica derris Fabaceae vine
Desmanthus virgatus slender mimosa, virgate mimosa Fabaceae shrub
Desmodium tortuosum Florida beggarweed, Spanish clover, dixie ticktrefoil Fabaceae herb

Dieffenbachia seguine

dieffenbachia, dumb cane Araceae herb

Digitaria ciliaris

Henry's crabgrass, smooth crabgrass, tropical crab grass, large crab grass, southern crabgrass, fingergrass, summer grass Poaceae grass
Digitaria violascens smooth crabgrass, violet crabgrass, sau (Palau) Poaceae grass
Dissotis rotundifolia dissotis, Spanish shawl, pink lady Melastomataceae herb
*Eichhornia crassipes water hyacinth, bung el ralm (Palau) Pontederiaceae aquatic herb

Eleusine indica

goosegrass, wiregrass, goose foot, crow's foot, bullgrass, deskim(Palau), kelelamalk (Palau), keteketarmalk (Palau) Poaceae grass

Epipremnum pinnatum cv. 'Aureum'

pothos, money plant Araceae vine
Falcataria moluccana Molucca albizia, ukall ra ngebard (Palau) Fabaceae tree
*Flemingia macrophylla Fabaceae tree
Flemingia strobilifera luck plant, wild hops, besungelaiei (Palau) Fabaceae shrub
*Gliricidia sepium mother of cacao, quickstick, Mexican lilac, rechesengel (Palau) Fabaceae tree
**Gmelina ellilptica kalngebard ra belau (Palau) Lamiaceae shrub
*Heliconia spp.
( H. psittacorum)
heliconia, parrot's-flower, parrot's-plantain, crab claw, lobster claw Heliconiaceae herb
Hemigraphis alternata metal leaf; red ivy Acanthaceae herb
*?Hevea brasiliensis hevea, Brazilian rubber tree, Para rubber tree Euphorbiaceae tree

Hyptis capitata

knobweed Lamiaceae herb

Hyptis pectinata

comb hyptis, comb bushmint, mint weed, purple top Lamiaceae herb
Imperata cylindrica blady grass, cogon grass, satintail, kasoring (Palau) Poaceae grass
Ipomoea aquatica aquatic morning glory, swamp cabbage, water spinach, ung-choi, kang kong, kankum (Palau), kangum (Palau), kangkum (Palau) Convolvulaceae aquatic herb
Ipomoea hederifolia ivy-leaf morning glory, star ipomoea, trompillo Convolvulaceae vine
**Ischaemum polystachyum paddle grass Poaceae grass
**†Ischaemum rugosum muraina grass, wrinkle duck-beak, saramatta grass Poaceae grass
**†Ischaemum timorense centipede grass, stalkleaf murainagrass, lucuntu grass Poaceae grass
Jatropha curcas physic nut, purging nut, Barbados nut Euphorbiaceae shrub
Kyllinga brevifolia green kyllinga, green water sedge, esechesiding (Palau) Cyperaceae sedge
**†‡Kyllinga nemoralis white kyllinga, whitehead spikesedge, whitewater sedge Cyperaceae sedge
Lantana camara lantana Verbenaceae shrub
Leucaena leucocephala leucaena, wild tamarind, lead tree, telengtungd (Palau) Fabaceae tree

Macroptilium atropurpureum

siratro, purple bushbean Fabaceae vine
Macroptilium lathyroides cow pea, phasey bean, wild bean Fabaceae herb
Melaleuca quinquenervia melaleuca, cajeput, paper bark tree, punk tree Myrtaceae tree
Melia azedarach Chinaberry, pride-of-India, indian lilac, Persian lilac, white cedar, margosa tree Meliaceae tree
Melinis minutiflora melinis, molasses grass Poaceae grass
**Merremia peltata merremia, kebeas (Palau) Convolvulaceae vine
Mikania micrantha mile-a-minute weed, Chinese creeper, American rope, bittervine, teb el yas (Palau) Asteraceae vine
Mimosa diplotricha giant sensitive plant, nila grass, mechiuaiu (Palau) Fabaceae shrub
Mimosa pudica Fabaceae herb
Muntingia calabura jam tree, strawberry tree, Jamaican cherry, Singapore cherry, Panama cherry, Panama berry, ornamental cherry, calabura, sirsen, budo (Palau) Tiliaceae tree
*Murraya paniculata orange jessamine, satin-wood, Chinese box, Hawaiian mock orange Rutaceae shrub/tree
Ocimum gratissimum wild basil, clove basil, tree basil Lamiaceae herb
Panicum maximum Guinea grass, green panic, buffalograss Poaceae grass

Paspalum conjugatum

T grass, ti grass, sour grass; sour palpalum, buffalo grass, carabao grass, Hilo grass (Hawai'i), udel ra ngebei (Palau) Poaceae grass

Paspalum paniculatum

Russell river grass, galmarra grass Poaceae grass
*Passiflora edulis passion fruit, yellow passion fruit, purple passion fruit, qarandila, purple granadilla, kudamono (Palau) Passifloraceae vine
Passiflora foetida love-in-a-mist, wild passion fruit, passionflower, stinking passionflower, kudamono (Palau) Passifloraceae vine
Passiflora quadrangularis granadilla, giant granadilla, kudamono (Palau) Passifloraceae vine
Pennisetum polystachion mission grass, feathery pennisetum, desum (Palau) Poaceae grass
Pennisetum purpureum elephant grass, napier grass, merker grass, bokso (Palau) Poaceae grass
*Pennisetum setaceum fountain grass Poaceae grass
Psidium guajava guava, guabang (Palau), kuabang (Palau) Myrtaceae tree
*Quisqualis indica Rangoon creeper Combretaceae vine
**Saccharum spontaneum wild cane, false sugarcane, banga ruchel (Palau) Poaceae grass
**†Sacciolepis indica glenwood grass Poaceae grass
*Samanea saman monkeypod, rain tree, saman Fabaceae tree
*Sanchezia parvibracteata sanchezia Acanthaceae shrub
Sansevieria trifasciata bowstring hemp, mother-in-law’s tongue, kitelel (Palau) Agavaceae herb
Senna alata candle bush; candelabra bush, Roman candle tree, emperor's candlesticks, ringworm bush (Australia), alcapulco Fabaceae shrub
Senna obtusifolia habucha, coffeeweed, sicklepod Fabaceae herb
Senna siamea cassod tree, kassod tree, Siamese cassia, pheasantwood, Thailand shower Fabaceae tree
*Sesbania grandiflora sesbania, hummingbird tree, sesban, scarlet wisteria tree, corkwood tree, katurai (Palau) Fabaceae small tree
**‡Setaria pumila foxtail, garden bristle grass, hairy-tail grass, yellow bristlegrass, Queensland pigeon grass (Australia) Poaceae grass
Solanum torvum prickly solanum, devil's fig, turkeyberry, terongan Solanaceae shrub
Sorghum halepense Johnson grass, Aleppo grass, Aleppo milletgrass Poaceae grass
*Spathodea campanulata African tulip tree, fireball, fountain tree, orsachel kui (Palau) Bignoniaceae tree
Sphagneticola trilobata wedelia, trailing daisy, Singapore daisy, creeping ox-eye, ngesil ra ngebard (Palau) Asteraceae herb
**Sporobolus indicus var. major smutgrass, wiregrass, Indian dropseed Poaceae grass
Stachytarpheta cayennensis blue rat's tail, dark-blue snakeweed, false verbena, nettleleaf velvetberry, louch beluu (Palau) Verbenaceae herb
Stylosanthes guianensis stylo, Brazilian lucerne, tropical lucerne, Nigerian stylo Fabaceae herb
Syngonium angustatum arrowhead plant, goosefoot plant Araceae vine
*†‡Syzygium cumini Java plum; jambolan plum, mesegerak (Palau), mesekerrak (Palau), mesekerrák (Palau), mesigerak (Palau) Myrtaceae tree
*Syzygium jambos malabar plum, rose apple, Malay apple Myrtaceae tree
*Tabebuia heterophylla pink tecoma, pink trumpet tree, white cedar Bignoniaceae tree
*Tecoma stans yellow bells, yellow-elder, yellow trumpetbush Bignoniaceae small tree
Tephrosia candida white tephrosia, white hoary-pea Fabaceae shrub
*Thevetia peruviana yellow oleander, be-still tree, lucky nut Apocynaceae small tree
Thunbergia grandiflora Bengal trumpet, blue trumpet vine, clock vine, skyvine, large-flowerd thunbergia,: bung el etiu (Palau) Acanthaceae vine
*Tithonia diversifolia tree marigold, shrub sunflower, Mexican sunflower, Japanese sunflower Asteraceae shrub
Tradescantia spathacea oyster plant, boat plant, boat lily, moses in a boat, kobesos (Palau) Commelinaceae herb
*Tradescantia zebrina wandering zebrina, wandering jew, inchplant Commelinaceae herb
Triumfetta rhomboidea Chinese burr, paroquet burr, burr bush Tiliaceae shrub
*Turnera subulata white alder Turneraceae shrub
Turnera ulmifolia yellow alder, sage rose, West Indian holly Turneraceae shrub
**†Urena lobata hibiscus burr, aramina, caesarweed, pink Chinese burr, urena burr, bur mallow, chosuched e kui (Palau), osuched a rechui (Palau) Malvaceae shrub
Urochloa mutica California grass, para grass, buffalo grass, Mauritius grass, signal grass Poaceae grass

*Cultivated
*Native/Micronesian introduction
†Reported present by Fosberg et al. (1979)
‡Reported present by Raulerson et al. (1996)


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This page revised 7 April 2009