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30. Salix Sect. Sieboldianae (Seemen) C. K. Schneider in Sargent, Pl. Wilson. 3: 161. 1916.
川柳组 chuan liu zu
Salix [unranked] Sieboldianae Seemen, Salic. Jap. 21. 1903.
Shrubs or small trees. Leaf blade ovate-lanceolate to obovate-oblong or elliptic, abaxially light, pilose or glabrous, when young usually with brown hairs or downy, margin serrulate, rarely entire, apex acute or acuminate. Flowering coetaneous. Catkins slender; peduncle short or absent, with 1-3 leaflets deciduous in fruit. Male flower: gland solitary, adaxial; stamens 2; filaments distinct to connate throughout. Female flower: gland as in male flower; ovary narrowly ovoid, sericeous, sessile or subsessile; style conspicuous; stigma 2-cleft.
Male plants of Salix shihtsuanensis and S. yuhuangshanensis are unknown.
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Key based on female plants
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Catkin (4-)5-7 cm; bracts with long, golden hairs; gland involute at apex |
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230 Salix hylonoma |
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Catkin 1.5-3.2 cm; bracts without golden hairs; gland not involute at apex. |
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(2) |
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| 2 (1) |
Leaflets of peduncle acuminate at apex, ca. as long as leaves of branchlets; ovary sessile |
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232 Salix yuhuangshanensis |
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Leaflets of peduncle obtuse at apex, smaller than leaves of branchlets; ovary shortly stipitate |
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231a var. shihtsuanensis |
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List of Keys
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Lower Taxa
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