Vasilis Teodoridis:
Salicaceae | Salix
75. Salix hypoleuca Seemen ex Diels; Bot. Jahrb. Syst. 36 (Beibl. 82): 31. 1905.
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Shrubs to 3.5 m tall. Branches dull brown; glabrous; branchlets rarely pilose. Petiole 3-9 mm; glabrous; rarely pilose; leaf blade elliptic; lanceolate; or elliptic-oblong; rarely ovate; 2-4(-5.5) x 1.2-2.4 cm; abaxially glaucous; glabrous; rarely pilose when young; adaxially dull green; glabrous or subglabrous; base broadly cuneate; attenuate; or rounded; margin entire; apex acute or apiculate; veins raised abaxially. Male catkin 2.5-4.5 cm x 5-6 mm; peduncle 3-10 mm; rachis glabrous or pilose; bracts brown; obovate; glabrous. Male flower: adaxial gland ovoid; ca. 1/2 as long as bracts; apex retuse; abaxial gland absent; stamens 2; filaments villous proximally; anthers yellow; globose. Female catkin 2.5-5(-7.5) cm x 5-7 mm; densely flowered; shortly pedunculate; bracts broadly ovate; ca. 1/4 as long as capsule; glabrous; apex acute. Female flower: gland adaxial; ovary long ovoid; style 2-cleft; stigma short. Capsule ovoid; ca. 2.5 mm; subsessile. Fl. May; fr. May-Jun.
* Mountain slopes; roadsides; valleys; 1400-2700 m. Gansu; Hubei; Shaanxi; Sichuan.