Comprehensive Description
provided by North American Flora
Senegalia occidentalis (Rose) Britton & Rose
Acacia occidentalis Rose, Contr. U. S. Nat. Herb. 8: 32. 1903.
A small, pr-ckly tree or shrub, the twigs pubescent. Petiole pubescent, bearing a small gland above the middle; pinnae small, 2-4 pairs; leaflets 5-13 pairs, linear, 3-5 mm. long, faintly veined, at first pubescent, becoming glabrate, the midvein very excentric; peduncles axillary, often in clusters of 3-5, pubescent, 1-2 cm. long; flowers in dense heads; calyx and corolla glabrous; legume oblong, 7 cm. long, 2 cm. broad, thin, glabrous, stipitate.
Type locality: Between Nogales and Guaymas, Sonera. Distribution: Sonera and Sinaloa.
- bibliographic citation
- Nathaniel Lord Britton and Joseph Nelson Rose. 1928. (ROSALES); MIMOSACEAE. North American flora. vol 23(1). New York Botanical Garden, New York, NY
