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

4. Alysicarpus bupleurifolius (Linnaeus) Candolle, Prodr. 2: 352. 1825.

柴胡链荚豆 chai hu lian jia dou

Hedysarum bupleurifolium Linnaeus, Sp. Pl. 2: 745. 1753.

Herbs, perennial. Stem erect or diffuse, much branched, 25-120 cm tall, glabrous or subglabrous. Leaves 1-foliolate; petiole ca. 2 mm or leaves subsessile; blade linear to linear-lanceolate, 4-7 × 0.4-0.5 cm, abaxially sparsely pubescent on midvein, adaxially glabrous, base rounded or cuneate, apex acute. Racemes terminal, 3-18 cm, 20-40-flowered, binate at each node; internodes 8-10 mm. Pedicel ca. 1 mm or flowers subsessile. Calyx 6-8 mm, longer than first article of legume; lobes lanceolate, ca. 2 × as long as tube. Corolla pale yellow or yellowish green, ca. 5 mm. Legume brown at maturity, 0.6-1.5 cm × ca. 1.8 mm, higher than calyx, 3-6-jointed, constricted between articles, glabrous. Fl. and fr. Sep-Nov. 2n = 16.

Wastelands, grasslands, field margins, sunny places in valleys; 100-1000 m. Guangdong, SW Guangxi, S Taiwan, S Yunnan [India, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam; Australia, Indian Ocean islands (Mauritius), Pacific islands, South America (Bolivia)].


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