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

19. Salix Sect. Glaucae Pax, Nat. Pflanzenfam. 3(1): 37. 1887.

绿叶柳组 lu ye liu zu

Shrubs dwarf alpine. Branchlets usually tomentose. Leaf blade obovate when young, thick, margin entire or denticulate. Flowering coetaneous or serotinous. Catkins lateral, with leaflets at base; bracts nearly uniformly colored, or slightly dull distally. Male flower: gland solitary, adaxial, entire or 2-cleft; stamens 2, distinct; filaments tomentose or glabrous. Female flower: ovary downy, shortly stipitate.

1 Leaf margin entire; style divided to at least middle; filaments pilose at base only   186 Salix glauca
+ Leaf margin dentate or denticulate; style shallowly 2-lobed; filaments with long hairs nearly throughout.   (2)
2 (1) Leaf blade obovate or ovate abaxially greenish, margin densely denticulate to densely serrulate; bracts brown, oblong, apex obtuse-rounded; ovary subsessile; anthers globose   187 Salix alatavica
+ Leaf blade elliptic or oblong both surfaces grayish green, margin remotely and shallowly dentate; bracts nearly black, apex acute or obtuse; ovary shortly stipitate; anthers ovoid   188 Salix metaglauca

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