大花木蓝 da hua mu lan

Shrubs, 30-80 cm tall, with ascending branches. Stems terete, with brown lenticels; young branches with sparse ap­pressed medifixed 2-branched trichomes, glabrescent. Stipules linear-subulate, 5-6(-7) mm. Leaves 2.5-5 cm, 9-13-foliolate; petiole and rachis hairy; petiole 5-11(-13) mm; rachis adaxially grooved; stipels subulate, ca. 0.5 mm; petiolules ca. 1 mm, hairy; leaflet blades opposite, elliptic to obovate, 6-16 × 4-10 mm, papery, both surfaces with appressed white medifixed tri­chomes, midvein adaxially impressed, base rounded, apex ob­tuse. Racemes 5-10(-15) cm, laxly flowered; peduncle 1.5-4 cm, hairy; bracts linear, ca. 3 mm. Pedicel 2.5-4 mm. Calyx outside hairy; tube 2-2.5 mm; teeth lanceolate, ca. 3 mm. Co­rolla standard obovate, 11-14 × 6-8 mm, outside white hairy; wings 11-14.5 × 3-3.5 mm, margin ciliate; keel 11-15 × 4.5-6 mm. Stamens 1-1.3 cm; anthers ovoid, glabrous. Ovary hairy. Fl. May-Jun, fr. unknown.

● Mountain forests; 1300-2000 m. W Sichuan (Pingwu, Wen­chuan).