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

69. Indigofera franchetii X. F. Gao & Schrire, Fl. China. 10: 161. 2010.

灰色木蓝 hui se mu lan

Replaced synonym: Indigofera cinerascens Franchet, Pl. Delavay. 153. 1889, not Indigofera cinerascens Candolle, Prodr. 2: 226. 1825, nor Indigofera cinerascens Ecklon & Zeyher, Enum. Pl. Afric. Austral. 2: 241. 1836.

Shrubs, to 1 m tall. Stems with dense appressed white medifixed symmetrically 2-branched trichomes. Stipules ca. 1 mm. Leaves ca. 9 cm, (11-)17-27-foliolate; petiole and rachis adaxially grooved, with appressed medifixed trichomes; petiole 0.8-1.5 cm; stipels ca. 0.5 mm; petiolules ca. 1 mm; leaflet blades opposite, closely spaced, narrowly elliptic, elliptic, or obovate-elliptic, 5-9(-14) × 3-6 mm, both surfaces with ap­pressed white medifixed trichomes, adaxially green, abaxially paler, midvein abaxially prominent and adaxially impressed, base broadly cuneate to rounded, apex rounded to acute and mucronate. Racemes 5.5-11 cm; peduncle 0.7-3 cm, with ap­pressed white mixed brown medifixed trichomes; bracts ovate, minute. Pedicel 0.5-1 mm. Calyx cup-shaped, ca. 3 mm, with appressed grayish trichomes; teeth ca. 1-2 × as long as tube. Corolla purplish red; standard oblong-elliptic, 7-8 mm, outside with appressed medifixed trichomes; wing margin ciliate; keel margin ciliate, apex mucronate. Stamens 6-6.5 mm; anthers ovoid, glabrous. Ovary hairy; style glabrous. Legume linear, cylindric, 3-4 cm, with appressed white trichomes. Fl. Jun-Sep, fr. Oct.

● Scrub on sunny slopes, grasslands, trailsides; 600-1800 m. SW Sichuan, Yunnan.


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