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

11. Salix Sect. Lindleyanae C. K. Schneider in Sargent, Pl. Wilson. 3: 144. 1916.

青藏垫柳组 qing zang dian liu zu

Sect. Serpylla C. K. Schneider.

Shrubs procumbent, creeping, or cushion-shaped. Stems rooting. Leaves small, elliptic to lanceolate, margin entire or dentate. Catkins terminal or lateral, capitate, few flowered. Male flower: adaxial and abaxial glands present; stamens 2, distinct. Female flower: only adaxial gland present, rarely with adaxial and abaxial glands; ovary glabrous or pilose, sessile or stipitate.


Key based on female plants

1 Flowering precocious   110 Salix clathrata
+ Flowering coetaneous.   (2)
       
2 (1) Ovary pilose.   (3)
+ Ovary glabrous.   (5)
       
3 (2) Bracts abaxially sparsely pilose   126 Salix piptotricha
+ Bracts glabrous.   (4)
       
4 (3) Leaf blade ovate-oblong   124 Salix gyirongensis
+ Leaf blade obovate or elliptic   125 Salix ludingensis
       
5 (2) Ovary long stipitate.   (6)
+ Ovary sessile, subsessile, or shortly stipitate (stipe relatively prominent in fruit).   (7)
       
6 (5) Leaf blade cuneate at base, margin remotely regularly glandular serrate   109 Salix crenata
+ Leaf blade obtuse-rounded or broadly cuneate at both ends, margiv remotely dentate distally   106 Salix calyculata
       
7 (5) Leaves very small, usually less than 4 mm   117 Salix ovatomicrophylla
+ Leaves very large, more than 4 mm.   (8)
       
8 (7) Leaf margin entire.   (9)
+ Leaf margin dentate.   (11)
       
9 (8) Leaf blade linear   122 Salix glareorum
+ Leaf blade not linear.   (10)
       
10 (9) Leaf blade obovate-oblong, oblong, or obovate-lanceolate   121 Salix lindleyana
+ Leaf blade elliptic or ovate-elliptic   114 Salix souliei
       
11 (8) Leaf margin with 2-4 teeth on each side distally.   (12)
+ Leaf margin dentate or with more than 4 teeth on each side distally, rarely entire.   (13)
       
12 (11) Catkin capitate; leaf blade oblong, obovate, or cuneate, margin with 3-5(-7) deeply indented teeth   119 Salix oreophila
+ Catkin capitate or ellipsoid, conspicuously elongated in fruit, to 5 cm; leaf blade obovate-oblong or long elliptic, margin with 7 or 9 fairly prominent, remote, glandular saw teeth   116 Salix serpyllum
       
13 (11) Young branchlets densely yellowish brown hirsute   111 Salix hirticaulis
+ Young branchlets glabrous or with grayish white hairs.   (14)
       
14 (13) Juvenile branchlets hispid   112 Salix kamanica
+ Juvenile branchlets glabrous or villous.   (15)
       
15 (14) Young leaves glabrous.   (16)
+ Young leaves pilose, or at least pilose abaxially.   (17)
       
16 (15) Leaf blade spatulate-obovate, rarely elliptic; bracts oblong   113 Salix flabellaris
+ Leaf blade elliptic or obovate-elliptic; bracts orbicular   108 Salix anticecrenata
       
17 (15) Bracts obovate; young leaves glabrous adaxially   107 Salix brachista
+ Bracts ovate-oblong; young leaves densely grayish white villous   118 Salix paraflabellaris

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