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

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.

Key based on male plants

1 Bracts lanceolate   19 Salix burqinensis
+ Bracts not lanceolate.   (2)
2 (1) Male catkin ca. 10 mm thick; stamens 3-4.5 mm; bracts ca. 2.5 mm; adaxial and abaxial glands cylindric; branchlets grayish brown   20 Salix pentandra
+ Male catkin ca. 8 mm thick; stamens 1-3 mm, unequal; bracts 1.5-2 mm; adaxial and abaxial glands broadly flattened; branchlets gray, rarely with a purplish tinge   21 Salix paraplesia

List of Keys

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