藏杏 zang xing

Prunus armeniaca Linnaeus var. holosericea Batalin, Trudy Imp. S.-Peterburgsk Bot. Sada 14: 167. 1895.

Trees 4–5 m tall. Branchlets reddish brown to grayish brown, pubescent when young, gradually glabrescent. Winter buds brown, ovoid. Petiole 1.5–2 cm, pubescent, usually with nectaries; leaf blade ovate to elliptic-ovate, 4–6 × 3–5 cm, both surfaces pubescent when young but glabrescent, base rounded to subcordate, margin minutely serrate, apex acuminate. Flowers unknown. Fruiting pedicel 4–7 mm. Drupe ovoid-globose to ovoid-ellipsoid, 2–3 cm in diam., densely pubescent; mesocarp slightly fleshy, not splitting when ripe; endocarp ovoid-ellipsoid to ellipsoid, compressed laterally, ventral rib somewhat obtuse, surface rugose, base subsymmetric to slightly asymmetric, apex acute. Fr. Jun–Jul.

Thickets, sunny slopes, dry river valleys; 700--3300 m. Qinghai, Shaanxi, Sichuan, SE Xizang.