江孜沙棘 jiang zi sha ji

Hippophae rhamnoides Linnaeus subsp. gyantsensis Rousi, Ann. Bot. Fenn. 8: 214. 1971.

Shrubs or trees, 5-8 m tall. Branches brown or grayish, rather long, slender. Leaves alternate; petiole ± absent; leaf blade abaxially uniformly dull white, adaxially green or slightly silvery, linear-oblong or linear-lanceolate, (1.2-)3.5-5.5 × 0.3-0.5 cm, abaxially ± tomentose, with or without rust-colored stellate hairs, adaxially hairy, base cuneate, margin slightly revolute, apex acute. Peduncle ca. 2 mm. Fruit ellipsoid, terete, 5-7 × 3-5 mm. Endocarp difficult to separate from seed. Seed flattened ellipsoid, ca. 4.5 mm, surface mat, slightly furrowed. Fr. Sep.

● Gravelly river terraces and dried river beds; 3500-4000(-5000) m. Xizang.