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

248. Salix wilhelmsiana Bieberstein, Fl. Taur.-Caucas. 3: 627. 1819.

线叶柳 xian ye liu

Shrubs or small trees, to 6 m tall. Branchlets purplish red

or chestnut colored, slender, pilose, rarely subglabrous or glabrous. Buds ovoid, apex tomentose and obtuse. Stipules very small, caducous; petiole short; leaf blade linear or linear-lanceolate, 2-6 cm × 2-4(-7) mm, tomentose when young, becoming pilose abaxially, margin serrulate, rarely subentire. Flowering coetaneous. Catkins dense, on 1-year-old branchlets. Male catkin subsessile; bracts yellowish or yellowish green, ovate or long ovate, glabrous or pilose. Male flower: stamens 2, connate throughout, glabrous; anthers at first red, becoming yellow, globose. Female catkin thinly terete, 2-3 cm, elongate in fruit, shortly pedunculate, with leaflets at base; bracts yellowish green, ovate, base downy. Female flower: gland adaxial; ovary ovoid, densely gray tomentose or glabrous, sessile; style short; stigma entire or 2-parted. Fl. May, fr. Jun.

Along rivers in desert and semidesert regions, plains, alongside irrigation canals and ditches. Gansu, Nei Mongol, Ningxia, Xinjiang [India, Kazakhstan, Kyrgyzstan, Pakistan, Uzbekistan; SW Asia, Europe].

1 Branchlets pilose, rarely subglabrous; ovary and capsule densely gray tomentose   248a var. wilhelmsiana
+ Branchlets glabrous; ovary and capsule glabrous.   (2)
2 (1) Leaf blade 2-4 mm wide, 10-15 × as long as wide   248b var. leiocarpa
+ Leaf blade 6-7 mm wide, 3-10 × as long as wide   248c var. latifolia

Lower Taxa


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