Arenga tremula (Blanco) Beccari, Arecaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 1 (Go to the risk assessment).

Other Latin names:  Arenga mindorensis Becc.; Caryota tremula Blanco; Saguerus mindorensis (Becc.) O. F. Cook; Wallichia tremula (Blanco) Mart.

Common name(s): [more details]

Chinese: fei lü bin guang lang

English: Philippine dwarf sugar palm

Habit:  tree

Description:  "Clustering, large shrubby palm to 4 m high, stems few, to 6 cm in diameter near the base, tapering; covered with old, shredded leaf sheaths.  Leaves pinnate, 3-6 m long, arching from the base; leaflets divaricate, linear, to 80 cm long, base constricted with a small lobe, apex truncate and finely toothed, glaucous white beneath; petiole 1.5- 2 m long.  Flowers either male or female, in separate, pendulous inflorescences arising from the stem, each with several rachillae; female rachillae usually longer and more numerous than male rachillae.  Fruit globose, to 1.5 cm in diameter, smooth, with thin epidermis and scanty pulp, usually 2-seeded, ripening yellow then bright red.  (ASEAN Tropical Plant Database).

Habitat/ecology:  In the Philippines (native), "in secondary forests and thickets at low altitudes"  (ASEAN Tropical Plant Database).

Propagation:  Seed

Native range:  Endemic to the Philippines (Luzon, Mindoro)  (ASEAN Tropical Plant Database).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 80)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced cultivated	Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 35)
Philippines Philippine Islands	Philippine Islands	native	Ministry of the Environment, Korea (2011) Luzon, Mindoro

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	Australia (continental)	introduced cultivated	Randall, R. P. (2007) (p. 50)
Singapore Singapore	Singapore (Republic of)	introduced cultivated	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 15)

Additional information:
Additional online information about Arenga tremula is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Arenga tremula as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Arenga tremula may be available from the Germplasm Resources Information Network (GRIN).

References:

Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. 2009. A checklist of the total vascular plant flora of Singapore: native, naturalised and cultivated species. Raffles Museum of Biodiversity Research, National University of Singapore. 273 pp.

Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce. 1987. A geographical checklist of the Micronesian monocotyledonae. Micronesica 20:1-126.

Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. 2010. Checklist of the vascular plants of Pohnpei with local names and uses. Allertonia, in press. National Tropical Botanical Garden, Lawai, Hawai‘i. 146 pp.

Ministry of the Environment, Korea. 2011. ASEAN tropical plant database (online resource).

Porcher, Michel H. 2011. Searchable World Wide Web Multilingual Multiscript Plant Name Database. The University of Melbourne, Australia. Online resource.

Randall, R. P. 2007. The introduced flora of Australia and its weed status. CRC for Australian Weed Management, Department of Agriculture and Food, Western Australia. 524 pp.
Also:  Searchable online database at http://weeds.cbit.uq.edu.au/.

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.