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

11. Tephrosia obovata Merrill, Philipp. J. Sci., C. 5: 69. 1910.

卵叶灰毛豆 luan ye hui mao dou

Herbs, perennial, small. Stems straggling, appressed pu­bescent, base woody. Stipules subulate, 2-4 mm. Leaves (9 or)11- or 13-foliolate; rachis ca. 5 cm, including petiole ca. 1.5 cm; leaflet blades obovate, ca. 1.4 × 0.6 cm, both surfaces ap­pressed sericeous but abaxially especially dense, secondary veins 5-8 on each side of midvein and obscure, base rounded-cuneate, apex emarginate and cuspidate. Pseudoracemes termi­nal or axillary, short. Flowers ca. 1 cm. Calyx campanulate, ca. 3 mm. Corolla red; standard orbicular, outside pubescent. Ovary with trichomes. Legume linear, 2-2.5 cm × ca. 4 mm, straight, densely velutinous. Seeds 6 or 7 per legume, pale brown, ellip­soid, ca. 2.5 × 2.2 mm. Fl. and fr. Mar-Aug.

Sandy or rocky areas; near sea level. Taiwan [Philippines].

The report (FRPS 40: 222. 1994) of Tephrosia filipes Bentham from Taiwan is most likely a misidentification of this species and is based on a single specimen from the Hengchun peninsula of S Taiwan in the Herbarium of the Shanghai Museum of Natural History (SHM) collected at "Ma-lan-bi" on cliffs.


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