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

7. Tephrosia noctiflora Bojer ex Baker, Fl. Trop. Afr. 2: 112. 1871.

长序灰毛豆 chang xu hui mao dou

Tephrosia hookeriana Wight & Arnott var. amoena Prain.

Herbs, perennial, suffrutescent, 0.5-1.5 m tall. Stems te­rete, with dense spreading trichomes. Stipules narrowly tri­angular, 6-11 mm, persistent, apex acuminate. Leaves 15-25-foliolate; rachis 7-11 cm, including petiole 0.7-1.3 cm; leaflet blades oblong-oblanceolate, 2.2-3.2 × 0.5-0.8 cm with terminal one slightly larger than others, abaxially densely appressed seri­ceous, adaxially glabrous, secondary veins 9-11 on each side of midvein, base cuneate, apex rounded to retuse and cuspidate. Pseudoracemes terminal, 15-25 cm, rigid and straight, with scat­tered flowers. Pedicel 2-4 mm. Flowers ca. 1 cm. Calyx ca. 5 × 5 mm, densely brown pubescent; teeth unequal, most abaxial one 4-6 mm and narrow, other ones short and broad. Corolla yellow, violet, or white; standard orbicular, brown sericeous. Ovary sericeous, with numerous ovules. Legume linear, 4.5-5 cm × ca. 5 mm, straight, densely brown pubescent, apex ascending curved. Seeds 7-9 per legume, black, reniform, ca. 4 × 2.5 mm, usually transversely rugose. Fl. and fr. Nov-Jan. 2n = 22.

Introduced and escaped in ravines near shorelines, coastal grass­lands; below 100-700 m. Guangdong, Taiwan, Yunnan [native to tropi­cal Africa].


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