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:  Strophanthus petersianus var. amboensis Schinz

Habit:  vine

Description:  "Deciduous, densely intertwined shrub or liana, with thick, snake-like stems. Leaves simple, with successive pairs at right-angles to each other; broadly ovate, 20-50 mm long; pale green; midrib prominent and sparsely downy below. Flowers: corolla tube short, red; corolla lobes narrow, up to 40 mm long, twisted, yellow. Fruit two dry, woody capsules, each 200-300 mm long, cylindrical, woody; splitting open when ripe. Seeds many, with a tuft of silky hairs on one end"  (Namibian Biodiversity Database).

Habitat/ecology:  In Namibia (native), "mainly found on rocky outcrops, hill slopes, kloofs and cliffs, but on sandy plains in eastern Caprivi"  (Namibian Biodiversity Database).

Propagation:  Seed

Native range:  Namibia (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	Kaua‘i Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1994) (voucher ID: BISH 639963) Taxon name on voucher: Strophanthus amboensis (Schinz) Engl. & Pax

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

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

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

Other Latin names:  Strophanthus petersianus var. amboensis Schinz

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1994. Voucher specimen #BISH639963(D.H.Lorence 7599).

U.S. Dept. Agr., Agr. Res. Serv. 2009. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.