藏截苞矮柳 zang jie bao ai liu

Salix floccosa Burkill var. leiogyna P. Y. Mao & W. Z. Li; S. heterostemon Floderus.

Shrubs low, to 50 cm tall, rarely taller; trunk stout, rooting. Branchlets russet; juvenile branchlets pilose, glabrescent. Buds ovoid, ca. 5 mm, glabrous. Petiole to 1.3 cm; leaf blade broadly obovate to orbicular-elliptic, 1.5-4 × 1.2-2.5 cm, abaxially grayish green, pruinose, pilose when young, glabrescent, adaxially dull green, shiny, pilose along midvein, base broadly cuneate, margin entire or sparsely glandular serrate, apex or both ends obtuse. Flowering coetaneous. Catkins terminal, terete, 1.5-3 cm, with leaflets at base; rachis pilose; bracts obovate, glabrous or sparsely ciliate, apex obtuse or subtruncate. Male flower: glands adaxial and abaxial; stamens 2, glabrous. Female flower: adaxial gland large, divided or entire, abaxial gland very small or absent; ovary ovoid, glabrous or pilose at base, sessile. Fl. Jun, fr. Aug.

* High mountains; 3500-4200 m. E Xizang, NW Yunnan

Similar to Salix oreinoma but leaf blade broadly obovate to orbicular-elliptic and filaments glabrous. Similar also to S. annulifera but ovary glabrous.