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4. Salix Sect. Pentandrae (Borrer ex Hooker) C. K. Schneider, Ill. Handb. Laubholzk. 1: 29. 1904.
五蕊柳组 wu rui liu zu
Salix [unranked] Pentandrae Borrer ex Hooker, Brit. Fl. 416. 1830.
Shrubs or small trees. Buds and young leaves viscid. Petiole glandular; leaf blade obovate-elliptic, elliptic, or ovate-oblong, rarely broadly lanceolate or broadly elliptic, adaxially shiny, margin prominently regularly glandular serrulate, apex acute to acuminate. Flowering coetaneous. Catkins spreading, densely flowered; peduncle conspicuous, with leaflets; bracts of female catkin yellowish green, usually caducous at fruiting. Male flower: stamens 5-9(-12). Female flower: adaxial and abaxial glands lobed, rarely entire, abaxial gland sometimes absent; ovary ovoid-conical, shortly stipitate; style and stigma conspicuous.
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Key based on female plants
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| 1 |
Ovary slightly pilose |
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22 Salix humaensis |
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Ovary glabrous. |
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(2) |
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| 2 (1) |
Branchlets russet at anthesis; female flower with 1(or 2) adaxial glands, abaxial gland relatively small or sometimes absent; young leaves very viscid |
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20 Salix pentandra |
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Branchlets gray at anthesis; female flower with 1 or 2 adaxial glands; young leaves slightly viscid |
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21 Salix paraplesia |
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List of Keys
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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