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

8. Salix Sect. Magnificae C. K. Schneider in Sargent, Pl. Wilson. 3: 113. 1916.

大叶柳组 da ye liu zu

Shrubs or small to large trees. Branchlets dull red to purplish black, stout. Leaves large; petiole long; leaf blade elliptic to obovate-orbicular, subleathery, smooth, glabrous, abaxially grayish blue or glaucous, margin entire or serrate, apex obtuse, rounded, or acute; lateral veins raised. Flowering coetaneous. Catkins long, to 30 cm in fruit; peduncle long, with 2-5 normal leaflets. Male flower: adaxial gland stout, usually depressed at apex, or 2- or 3-lobed, abaxial gland small, sometimes absent; stamens 2, distinct. Female flower: gland usually 1, adaxial, abaxial gland usually absent; ovary glabrous, sparsely pilose, sessile or stipitate; style conspicuous, 2-cleft; stigma thick, short, 2-lobed.


Key based on female plants

1 Catkin rachis glabrous.   (2)
+ Catkin rachis pilose, rarely subglabrous.   (3)
       
2 (1) Catkin more than 6 cm; young leaves entire at margin   55 Salix magnifica
+ Catkin to 4 cm; young leaves serrate at margin   59 Salix xiaoguangshanica
       
3 (1) Ovary sessile.   (4)
+ Ovary stipitate.   (5)
       
4 (3) Bracts villous abaxially   61 Salix medogensis
+ Bracts subglabrous on both surfaces   62 Salix contortiapiculata
       
5 (3) Adaxial gland linear or shortly cylindric   60 Salix radinostachya
+ Adaxial gland broadly ovate or semiorbicular.   (6)
       
6 (5) Stipe to 1.5 mm; adaxial gland semiorbicular   56 Salix pella
+ Stipe less than 1 mm; adaxial gland broadly ovate.   (7)
       
7 (6) Leaf margin glandular serrate   57 Salix moupinensis
+ Leaf margin indistinctly glandular serrulate or entire   58 Salix omeiensis

List of Keys

Lower Taxa


 

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