亚东毛柳 ya dong mao liu

Salix bhutanensis Floderus var. yadongensis (N. Chao) N. Chao.

Shrubs or small trees. Juvenile branchlets densely tomentose, slightly brownish green. Stipules ovate; petiole short, tomentose; leaf blade elliptic or oblong-elliptic, 5-7 × 2(-3) cm, abaxially whitish, ± pilose, at least along midvein, adaxially grass green, base rounded, margin entire or indistinctly serrate, apex acute. Male catkin unknown. Female catkin terete, 4-5 × ca. 1 cm; peduncle long, with 3-5 leaflets; bracts obovate, pilose only abaxially at base, margin usually irregularly dentate, apex truncate. Female flower: adaxial gland shortly ligulate, ca. as long as or shorter than stipe; ovary cylindric-ovoid, pilose, long stipitate; style 1/3-1/2 as long as ovary. Fl. May-Jun.

* Riversides; circa 2800 m. S Xizang (Yadong Xian)

Similar to Salix trichocarpa but bracts obovate, base pilose abaxially, margin usually irregularly dentate, ciliate, apex truncate; style shorter; ovary oblong-ovoid.