Kopsia arborea Blume, Apocynaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 2 (Go to the risk assessment).

Other Latin names:  Kopsia pruniformis Rchb. f. & Zoll. ex Bakh. f.

Common name(s): [more details]

Chinese: rui mu

Habit:  tree

Description:  "Trees to 15 m tall. Branches greenish, terete, slightly compressed, puberulent when young. Petiole 5-15 cm; leaf blade elliptic, narrowly elliptic, or narrowly ovate, 8-24 x 3.5-8.5 cm, glabrous, apex acute or short acuminate; lateral veins 10-20 pairs. Cymes corymbose, many flowered; peduncle to 14 cm, puberulent or glabrous; bracteoles narrowly oblong, puberulent or glabrous. Pedicel 3-4 mm. Sepals narrowly oblong, 4-6 mm, puberulent or glabrous. Corolla white, tube ca. 2.5 cm; lobes narrowly oblong, 1.5-2 cm. Disc scales narrowly oblong, longer than ovary, fleshy. Ovary ovoid, puberulent. Drupes black or blue-black, ellipsoid, 2.5-3.5 x 1.5-2 cm"  (Flora of China online).

Habitat/ecology:  In China (native), "montane forests, often along moist ravines; 400-1000 m"  (Flora of China online).

Propagation:  Seed

Native range:  Southern China, Indonesia, Malaysia, Philippines, Thailand, Vietnam,  Australia (northern Queensland) (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	O‘ahu Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1933) (voucher ID: BISH 23778) Taxon name on voucher: Kopsia arborea Blume
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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)	Queensland	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
China China	China (People's Republic of)	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2011) S. Guangdong, S.E. Guangxi, Hainan, S. Yunnan
China China	Hong Kong	native	Wu, Te-lin (2001) (p. 211) In wet places under forest.
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Malaysia Malaysia	Malaysia (country of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Thailand Thailand	Thailand (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Vietnam Vietnam	Vietnam (Socialist Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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

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

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

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1933. Voucher specimen #BISH23778(Williams, E. s.n.).

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

Wu, Te-lin. 2001. Check List of Hong Kong Plants. Hong Kong Herbarium and the South China Institute of Botany. Agriculture, Fisheries and Conservation Department Bulletin 1 (revised). 384 pp.

Zhengyi, Wu/Raven, Peter H./Deyuan, Hong. 2011. Flora of China (online resource).