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14. Salix Sect. Eriocladae K. S. Hao ex C. F. Fang & A. K. Skvortsov, Novon. 8: 470. 1998.
绵毛柳组 mian mao liu zu
Shrubs. Petiole short to almost absent; leaf blade very small, 8-20 mm at anthesis, elliptic, elliptic-lanceolate, or lanceolate, rarely broadly lanceolate to oblanceolate. Flowering precocious or coetaneous. Catkins cylindric, pedunculate (sometimes male catkin subsessile), with leaflets. Male flower: glands adaxial and abaxial; stamens 2, distinct. Female flower: adaxial gland only present; ovary ovoid or ovoid-conical, pilose, sessile; style conspicuous, 2-lobed to -cleft.
Key based on vegetative characters
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1 |
Branchlets glabrous, brown or purplish brown, shiny; leaves often clustered at apex of branchlets |
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175 Salix resecta |
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Branchlets pilose at least distally, ± dull; leaves not clustered at apex of branchlets. |
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(2) |
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2 (1) |
Leaf blade lanceolate to ovate-lanceolate. |
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(3) |
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Leaf blade usually rather broad, not lanceolate. |
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(4) |
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3 (2) |
Leaf blade ovate-lanceolate |
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173 Salix hupehensis |
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Leaf blade lanceolate to oblanceolate, rarely broadly lanceolate |
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174 Salix wolohoensis |
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4 (2) |
Leaf blade with rust-colored hairs along veins or on petiole abaxially |
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168 Salix inamoena |
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Leaf blade without rust-colored hairs. |
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(5) |
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5 (4) |
Mature leaves whitish, pruinose, or glaucous abaxially. |
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(6) |
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Mature leaves greenish or pinkish green abaxially. |
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(7) |
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6 (5) |
Branchlets reddish chestnut colored or yellowish; leaf blade ovate-lanceolate to elliptic, abaxially downy at least along veins, base obtuse-rounded, apex obtuse or rounded |
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171 Salix erioclada |
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Branchlets blackish brown; leaf blade elliptic or elliptic-oblong, glabrous on both surfaces, base cuneate to subrounded, apex acute or shortly acuminate |
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172 Salix dibapha |
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7 (5) |
Leaves abaxially tomentose or downy |
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170 Salix driophila |
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Leaves abaxially glabrous or subglabrous, pilose along veins |
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169 Salix amphibola |
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List of Keys
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Lower Taxa
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