Desmanthus oligospermus Brandegee

Acuan oligospermum (Brand.) Britton & Rose
Desmanthus oligospermits Brand. Proc. Cal. Acad. II. 3: 132. 1891.
Shrubby, nearly prostrate, branched, 2-5 dm. long, the slender branches glabrous, or puberulent above. Stipules setiform, about 3 mm. long; leaves 3-4 cm. long, the very slender petiole and rachis puberulent; petiole 5-15 mm. long; pinnae 2-4 pairs; gland orbicular, minute, borne between the lower pair; leaflets 8-12 pairs, linear-oblong or the upper ones oblongobovate, sparingly appressed-pubescent, ciliate, 3-4 mm. long, obtuse or rounded, the delicate midvein nearly central; peduncles filiform, glabrous, 2-3 cm. long; heads very small, fewflowered; stamens 5; legume linear-oblong, about 7 mm. long, 2 mm. wide, acuminate, glabrous, 1-2-seeded, described as indehiscent.
Type locality: San Josd del Cabo, Lower California. Distribution: Known only from the type locality.