Indigofera decora Lindley subsp. carlesii (Craib) P. S. Hsu & Y. Y. Fang.

Shrubs, to 1.5 m tall. Stems terete but angular when young, with sparse appressed white medifixed symmetrically 2-branched trichomes. Stipules narrowly lanceolate, 7-10 mm, caducous. Leaves 7-20 cm, 5-9(-13)-foliolate; petiole and ra­chis with appressed white medifixed trichomes, glabrescent; petiole 1.5-3.5 cm; rachis adaxially grooved; stipels subulate, 2-4 mm, with appressed white trichomes; petiolules 2-4 mm; leaflet blades opposite or rarely alternate, elliptic to ovate-elliptic, 2-5 × 1-3 cm, stiffly papery, both surfaces with dense appressed white medifixed trichomes, midvein abaxially promi­nent and adaxially impressed, secondary veins 6-10 on each side of midvein, base obtuse to broadly cuneate, apex obtuse and mucronate. Racemes 10-20 cm; peduncle and rachis with sparse appressed medifixed trichomes; peduncle ca. 1.5 cm; rachis striate; bracts ovate, 2-4 mm, caducous. Pedicel 2-4 mm. Calyx cup-shaped, 4-4.5 mm, with appressed white medifixed trichomes; teeth lanceolate, most abaxial one as long as tube. Corolla pink to rose; standard elliptic, 1.3-1.5(-1.8) × 0.7-0.9 cm, apex rounded; wings and keel ca. 1.3 cm, margin ciliate; keel spur ca. 1.5 mm. Stamens 1.3-1.7 cm; anthers ovoid, both ends hairy. Ovary glabrous. Legume brown, cylindric, 4-6 cm, glabrous; endocarp blotched. Fl. Apr-Jun, fr. Aug-Oct.

This species is cultivated in Fujian, Guangdong, Guangxi, and Yunnan.

● Slopes along trailsides, scrub in hills; 500-1000 m. Anhui, Henan, Hubei, Jiangsu, Jiangxi, Shaanxi, Shanxi, Zhejiang.