Archidendron clypearia (Jack) Nielsen, Fabaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 3 (Go to the risk assessment).

Other Latin names:  Inga clypearia Jack; Pithecellobium angulatum Benth.; Pithecellobium clypearia (Jack) Benth.; Pithecellobium heterophyllum J. F. Macbr.; Pithecellobium montanum Benth.; Pithecellobium subcoriaceum Thwaites

Common name(s): [more details]

Chinese: hou er huan

Habit:  tree

Description:  "Trees, to 10 m tall. Branchlets angulate, densely yellow tomentose. Leaf petiole 4-angulate; leaf rachis and base of petiole with glands; glands flat or hollow; pinnae (3 or) 4 or 5 (-8) pairs, densely yellow tomentose, lowermost pinna with 3-6 pairs of leaflets, uppermost one with 10-12 pairs of leaflets; leaflets subsessile, adaxially shiny, oblique, rhombic-trapezoid, 1-7 x 0.7-3 cm, upper one largest, downward smaller, leathery, both surfaces slightly brown pubescent, base very unequally sided. Corymbs several flowered, arranged in terminal or axillary panicles. Flowers pedicellate. Calyx campanulate, 1-3 mm, 5-toothed, calyx and corolla densely brown villous. Corolla white or yellowish, 4-5 mm; lobes lanceolate. Stamens ca. 2x as long as corolla, staminal tube equaling corolla tube. Ovary stipitate, hairy. Legume twisted, 1-1.5 cm wide, margin constricted between seeds. Seeds 4-10, black, ellipsoidal or broadly ellipsoidal, ca. 1 cm; testa wrinkled when dry"  (Flora of China online).

Habitat/ecology:  In China (native):  "Forests; 500-1800 m"  (Flora of China online).

Propagation:  Seed

Native range:  Asia from India to the Philippines (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	introduced cultivated	Imada, Clyde T./Staples, George W./Herbst, Derral R. (2011) Ho‘omaluhia Botanical Garden
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
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
Cambodia Cambodia	Cambodia (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
China China	China (People's Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
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)
Negara Brunei Darussalam Brunei	Brunei (Negara Brunei Darussalam)	native	ILDIS Co-ordinating Centre (2011)
Singapore Singapore	Singapore (Republic of)	native	ILDIS Co-ordinating Centre (2011)
Singapore Singapore	Singapore (Republic of)	native	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 14) Common
Taiwan Taiwan	Taiwan Island	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)

Indian Ocean
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
India (Indian Ocean offshore islands) Andaman Islands	Andaman Islands	native	ILDIS Co-ordinating Centre (2011)
India (Indian Ocean offshore islands) Nicobar Islands	Nicobar Islands	native	ILDIS Co-ordinating Centre (2011)

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

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

Taxonomic information about Archidendron clypearia 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.

ILDIS Co-ordinating Centre. 2011. International Legume Database & Information Service. Online searchable database.

Imada, Clyde T./Staples, George W./Herbst, Derral R. 2011. Annotated Checklist of Cultivated Plants of Hawai‘i (online searchable database).

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

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