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10. Salix Sect. Floccosae K. S. Hao ex C. F. Fang & A. K. Skvortsov, Novon. 8: 470. 1998.
青藏矮柳属 qing zang ai liu zu
Shrubs low, usually less than 50(-100) cm tall. Catkins usually terminal or sometimes lateral, cylindric, with leaflets at base. Male flower: stamens 2, distinct; adaxial and abaxial glands present (abaxial rarely absent). Female flower: adaxial gland only present, rarely a small abaxial gland; ovary pilose or glabrous, sessile or subsessile (except in a few species).
Key based on male plants
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1 |
Male flower with only an adaxial gland. |
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(2) |
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Male flower with adaxial and abaxial glands. |
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(3) |
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2 (1) |
Bracts glabrous |
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97 Salix microphyta |
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Bracts adaxially densely white villous |
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99 Salix vaccinioides |
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3 (1) |
Filaments glabrous. |
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(4) |
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Filaments pilose. |
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(6) |
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4 (3) |
Filaments connate, connate in part, or free |
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98 Salix kungmuensis |
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Filaments free. |
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(5) |
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5 (4) |
Catkin rachis pilose; leaf blade broadly obovate to ovate, margin entire or sparsely glandular serrate |
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100 Salix resectoides |
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Catkin rachis glabrous; leaf blade elliptic or obovate-elliptic, sometimes suboblong, margin crenate |
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96 Salix faxonianoides |
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6 (3) |
Leaves abaxially floccose |
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102 Salix floccosa |
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Leaves abaxially glabrous, or downy when young. |
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(7) |
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7 (6) |
Mature leaves adaxially sparsely pubescent, abaxially villous when young, becoming glabrous or glaucous |
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104 Salix coggygria |
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Mature leaves adaxially glabrous or sparsely pilose when young. |
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(8) |
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8 (7) |
Filaments villous for proximal 3/4 to all their length; bracts pubescent; leaf blade obovate-elliptic, elliptic, or oblong, 2-5 × 1.5-2.5 cm |
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105 Salix annulifera |
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Filaments pilose proximally; bracts pilose only at base; leaf blade obovate-elliptic, elliptic, or oblong, 1.5-3.5 × 1-1.8 cm |
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101 Salix opsimantha |
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List of Keys
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List of lower taxa
Related Links (opens in a new window) |
Treatments in Other Floras @ www.efloras.org
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