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

39. Indigofera pampaniniana Craib, Notes Roy. Bot. Gard. Edinburgh. 8: 58. 1913.

昆明木蓝 kun ming mu lan

Indigofera duclouxii Craib; I. mairei Pampanini var. pro­terantha Pampanini; I. proterantha (Pampanini) Gagnepain.

Shrubs, 20-80 cm tall. Stems brown; old branches terete, with strumose lenticels; young branches angular, with densely ascending brown and white subbasifixed or basifixed curly asymmetrically 2-branched trichomes, glabrescent. Stipules narrowly lanceolate, 7-8 mm. Leaves to 15 cm, 11-19(-23)-foliolate; petiole and rachis with ascending basifixed or sub­basifixed trichomes; petiole to 2.2 cm; rachis adaxially grooved; stipels subulate, ca. 3 mm, persistent; petiolules 1.5-2 mm, with brown trichomes; leaflet blades opposite, oblong, 1.5-3 × 1-1.5 cm, papery, both surfaces with appressed white medifixed tri­chomes, abaxially with long trichomes on midvein, midvein slightly prominent, secondary veins 8 or 9 on each side of midvein and obvious on both surfaces, base rounded to slightly cordate, apex obtuse to retuse and with a ca. 1 mm mucro. Racemes produced before leaves, 3-6 cm; peduncle and rachis with ascending trichomes; peduncle ca. 5 mm; bracts linear-lanceolate, 2.5-3 mm, caducous, outside with brown trichomes, margin ciliate. Pedicel ca. 2 mm but to 4 mm in fruit. Calyx ca. 5 mm, with ascending medifixed trichomes; tube ca. 2.5 mm; teeth lanceolate, most abaxial one as long as tube. Corolla pur­ple; standard obovate-elliptic, 1.3-1.5(-1.8) × 0.8-0.9 cm, out­side with appressed white trichomes at base, margin ciliate; wings 1.2-1.3 cm; keel as long as wings, outside apically sparsely hairy, spurs ca. 1 mm. Stamens 1.4-1.5 cm; anthers ovoid, base hairy. Ovary glabrous, with 11 or 12 ovules. Leg­ume cylindric, ca. 4.5 cm, with minute appressed white medi­fixed trichomes, glabrescent; endocarp blotched. Fl. Mar-Jun, fr. Aug-Nov.

● Dry scrub slopes; 2000-2100 m. Yunnan.


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