|Dicotyledon|| Literature for Acacia koa
Wagner et al., 1990, 1999.
|Fabaceae -- The Pea Family||Bibliography|
Common name(s): koa, koa`oha, koai`a, koai`e
|Distribution||In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i. In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.|
||Trees up to 35 m tall.
||Leaves reduced to phyllodes, these narrowly elliptic and usually strongly falcate, 7.5-26 cm long, 0.5-2.5 cm wide, bipinnately compound leaves of various sizes present at apex of small phyllodes in sapling stages.
||Flowers ca. 2 mm long, in heads ca. 8 mm in diameter (excl. stamens), these few together in axillary racemes or sometimes aggregated into terminal leafy panicles, peduncles ca. 1 cm long; corolla cream-colored; stamens curled, more than twice as long as corolla; ovary pubescent.
||Pods flattened, oblong, 8-30 cm long, 0.8-2.5 cm wide, sutures straight or occasionally constricted between some of the seeds.
||Seeds ellipsoid, laterally flattened, either transversely or longitudinally arranged, 6-12 mm long, 4-7 mm wide.
||2n = 26*, 52*