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Spatholobus parviflorus

Description from Flora of China

Butea parviflora Roxburgh ex Candolle, Prodr. 2: 415. 1825; Spatholobus roxburghii Bentham var. denudatus Baker.

Woody climbers. Branchlets subglabrous. Petiole 9-13 cm, puberulent; stipels subulate, ca. 1.5 mm; petiolules 5-6 mm, thick, puberulent; leaflets leathery, slightly puberulent abaxially, glabrous adaxially, lateral veins 7-9 pairs, usually not branched, tertiary veins transverse, quaternary veins slender, reticulate; terminal leaflet obovate or broadly elliptic, 14-17 × 9.5-12 cm, rounded at both ends or slightly narrowed at base; lateral leaflets asymmetric, broadly ovate, 12-16 × 6.5-10 cm, base rounded, apex obtuse. Inflorescence 30-40 cm; rachis puberu­lent. Calyx 3-4 mm, puberulent. Corolla white or pinkish white; standard broadly ovate, 5-6 × 5.5-8 mm, apex emarginate, base truncate, claw 2-3 mm; wings 5-7.5 mm, auriculate, claw 3-4 mm; keel 4-5 mm. Ovary tomentose. Legumes falcate-oblong, 12-14 cm, thick, subwoody, apex rounded, densely brownish velutinous; stipe terete, 1.3-1.7 cm, densely velutinous. Seeds orbicular or reniform; testa brownish red. Fr. Feb-Mar.

Slopes, open forests or thickets. W Yunnan (Luxi) [Bangladesh, Cambodia, India, Laos, Myanmar, Sri Lanka, Thailand, Vietnam].


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