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

77. Indigofera acutipetala Y. Y. Fang & C. Z. Zheng, Acta Phytotax. Sin. 21: 325. 1983.

尖瓣木蓝 jian ban mu lan

Shrubs, to 1.3 m tall. Stems dark brown when dry, terete, 4-ribbed, with small white lenticels, with appressed sparse white medifixed symmetrically 2-branched trichomes. Stipules linear, ca. 2 mm. Leaves ca. 3 cm, 5-11-foliolate; petiole 2-6 mm; stipels not visible; petiolules short; leaflet blades opposite, obovate to obovate-oblong, 3-7 × 2-4 mm, both surfaces with dense appressed white and brown medifixed trichomes but abaxially denser, secondary veins not visible, base cuneate to broadly cuneate, apex rounded and mucronate. Racemes 5-9 cm, densely flowered; peduncle 2-3 cm, longer than petioles, with some glands. Pedicel ca. 1 mm. Calyx with appressed white medifixed trichomes; tube ca. 1 mm; teeth lanceolate, ca. 1.5 mm. Corolla dark purple; standard 7-7.5 × ca. 4 mm, outside hairy, apical mucro ca. 1 mm; wings ca. 6 × 2 mm; keel ca. 6.5 mm. Stamens 5-6.5 mm; anthers ovoid, apex with a ca. 0.3 mm mucro. Ovary glabrous. Fl. Jul, fr. unknown.

● Moist slopes; ca. 2400 m. Sichuan (Jiulong).

This is a doubtful species.


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