Indigofera chenii S.S.Chien

Shrubs, erect, to 1 m tall. Stems brown, terete; branches with appressed white medifixed symmetrically 2-branched tri­chomes. Stipules bristlelike, ca. 2 mm. Leaves 5-7 cm, 11-19-foliolate; petiole and rachis adaxially grooved, with appressed white medifixed trichomes; petiole 4-6 mm; stipels bristlelike, ca. 0.5 mm; petiolules ca. 1 mm; leaflet blades opposite, ob­long, 8-12 × 4-5 mm, rigidly papery, both surfaces with ap­pressed medifixed trichomes, midvein abaxially prominent and adaxially impressed, secondary veins not visible, base rounded to cuneate, apex obtuse to truncate and mucronate. Racemes ca. 8.5 cm; peduncle 1.4-2 cm; bracts bristlelike, ca. 1 mm, cadu­cous. Pedicel 1-2 mm, with spreading white trichomes. Calyx 2-3 mm; teeth shorter than or as long as tube. Corolla red; standard oblong, 10-11 × 6-7 mm, outside hairy, base cuneate, apex truncate; wings oblong-spatulate, margin ciliate; keel cu­neate, apex ciliate. Stamens 8-9 mm; anthers ovoid, glabrous, apex mucronate. Ovary sparsely hairy, with 5-7 ovules. Fl. Sep, fr. unknown.