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FOC | Family List | FOC Vol. 4 | Salicaceae | Salix

141. Salix sclerophylla Andersson, J. Linn. Soc., Bot. 4: 52. 1860.

硬叶柳 ying ye liu

Shrubs erect, to 2 m tall. Branchlets with many nodes, tortuous, dull purplish red, or pruinose, glabrous. Buds russet, ovoid. Petiole 1-2 mm; leaf blade elliptic, obovate, or ovate to suborbicular, 2-3.4 × 1-1.6 cm, to 1 cm at anthesis, leathery, pilose on both surfaces, rarely subglabrous, abaxially greenish, adaxially green, both surfaces pubescent or subglabrous, or abaxially brown downy, base cuneate to rounded, margin entire, apex acute to rounded. Catkins ellipsoid to oblong-ellipsoid, ca. 1 cm, sessile or shortly pedunculate, with 1 or 2 leaflets or not; bracts brown or brownish purple, elliptic or obovate, ca. 1/2 as long as filaments, abaxially downy or adaxially glabrous, shortly ciliate, apex rounded-truncate or truncate. Male flower: adaxial and abaxial glands sometimes divided; stamens 2; filaments ca. 3 mm, base downy. Female flower: glands 2, sometimes divided, abaxial gland rarely absent; ovary narrowly ovoid, ca. 2 × as long as bracts; densely downy; style short; stigma 4-lobed. Capsule ovoid-conical, ca. 3.2 mm, downy, sessile or shortly stipitate.

Mountain slopes, thickets; 2800-4800 m. SE and W Gansu, Qinghai, W Sichuan, E Xizang, Yunnan [India, Kashmir, Nepal, Pakistan].


1 Leaves abaxially brown downy; bracts truncate apically   141b var. obtusa
+ Leaves abaxially subglabrous or white pubescent; bracts rounded-truncate apically.   (2)
       
2 (1) Leaves and catkins relatively large; leaf blade 2-3.4 × 1-1.6 cm   141a var. sclerophylla
+ Leaves and catkins very small   141c var. tibetica

Lower Taxa


 

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