Eysenhardtia parvifolia Brandegee

Eysenhardtia parvifolia Brand. Univ. Calif. Publ. Bot. 4: 180. 1911.
An intricately branched shrub; stems gray, the young growth canescent with incurved to appressed white hairs; leaves 0.9-1.2 cm. long, spreading; stipules 1-2 mm. long, brown, filiform; stipels not seen, early deciduous and probably minute; leaflets 9-13, elliptic-oval, 2-2.5 mm. long, green above, scarcely paler beneath, glabrate above and beneath, punctate beneath with brownish dots, not reticulate above, fleshy; racemes 0.5-1 cm. long; bracts 1-2 mm. long, lanceolate, brown, pubescent, persisting till after anthesis; calyx-tube 2 mm. long, dotted with large glands, canescent-puberulent, ridged, split slightly more deeply on the posterior side; lobes 0.3-0.5 mm. long, obtusish to acute, the three anterior longer, pubescent, ciliate; petals not seen, the standard described as slightly emarginate; style 3-4 mm. long, pubescent with relatively long hairs, straight (originally described as uncinate), without a gland; pods 5-8 mm. long, 1.7-2 mm. wide, slightly thickened, brown, glabrous, punctate with large glands, straight at maturity, ascending, sessile; seed filling the entire pod.
Type locality: Sierra de Parras, Coahuila. Distribution: Known only from the type locality.