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FOC | Family List | FOC Vol. 10 | Fabaceae | Indigofera

54. Indigofera sticta Craib, Notes Roy. Bot. Gard. Edinburgh. 8: 61. 1913.

矮木蓝 ai mu lan

Subshrubs, to 70 cm tall. Stems nut-brown, angular; young branches with appressed medifixed symmetrically 2-branched trichomes. Stipules narrowly lanceolate, ca. 3.5 mm. Leaves 4-9 cm, 3- or 5-foliolate; petiole and rachis adaxially grooved, with appressed medifixed trichomes; petiole 3-3.5 cm; stipels minute; petiolules ca. 2.5 mm; leaflet blades opposite, elliptic to ovate-elliptic, 2.5-4 × 1.7-2.8 cm, papery, abaxially with dense medifixed trichomes, adaxially with appressed medifixed tri­chomes, midvein adaxially slightly impressed, secondary veins 5 or 6 on each side of midvein, base rounded, apex obtuse to emarginate and mucronate. Racemes 5(-9) cm; peduncle and rachis with dense appressed white medifixed trichomes; pe­duncle 1.3-1.7 cm; bracts ovate, ca. 1.5 mm, caducous. Pedi­cel ca. 2 mm. Calyx ca. 3.5 mm, with appressed medifixed trichomes; tube 1.5-2 mm; teeth triangular, ca. 1.5 mm. Corolla purplish red to purple; standard elliptic to obovate-elliptic, 6.5-8 × 3.5-4 mm, outside hairy; wings ca. 6 mm, base auriculate, margin ciliate; keel ca. 6.5 mm, apically hairy, spur ca. 1 mm. Stamens 7-8 mm; anthers ovoid, glabrous. Ovary glabrous. Fl. May, fr. unknown.

● Forests; ca. 1800 m. Yunnan.


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