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

172. Salix dibapha C. K. Schneider, Bot. Gaz. 64(2): 146. 1917.

异色柳 yi se liu

Shrubs to 4 m tall. Branchlets blackish brown, downy when young and glabrescent, or glabrous. Petiole 4-7 mm; leaf blade elliptic or elliptic-oblong, 4-6(-8) × 1.4-2(-2.4) cm, glabrous, abaxially whitish, adaxially greenish or green, reddish when young or pubescent only veins, base cuneate or subrounded, margin entire, apex acute or shortly acuminate. Flowering coetaneous or precocious. Male catkin unknown. Female catkin pedunculate; peduncle ca. 5 mm, to ca. 1 cm in fruit, with (1 or) 2 or 3 sometimes caducous leaflets; bracts dark brown or yellowish green, elliptic-oblong, obovate, or obovate-oblong, abaxially villous and ciliate or sparsely villous, sometimes glabrescent distally, adaxially glabrous, apex obtuse or subacute. Female flower: glands 1 or 2, adaxial and abaxial or adaxial only, entire or 2-cleft; ovary narrowly ovoid, ca. 2 mm, white downy, sessile; style 1/3-1/2 as long as ovary, 2-lobed to cleft; stigma 2-cleft. Capsule ca. 4 mm; stipe short or absent. Fl. Apr, fr. May-Jun.

* Mountain slopes, sandy shores, near water; 2600-3100 m. Gansu, E Xizang, NW Yunnan.

1 Branchlets downy when young, glabrescent; peduncle ca. 1 cm; bracts dark brown, elliptic-oblong, abaxially villous and ciliate, sometimes glabrescent distally; female flower with adaxial gland only; fl. Apr   172a var. dibapha
+ Both older and juvenile branchlets glabrous; peduncle ca. 5 mm; bracts yellowish green, obovate or obovate-oblong, abaxially sparsely villous; female flower with adaxial and abaxial glands; fl. Jun-Jul   172b var. biglandulosa

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