光萼稠李 guang e chou li

Cerasus cornuta Wallich ex Royle, Ill. Bot. Himal. Mts. 207. 1835; Padus cornuta var. glabra Fritsch ex C. K. Schneider; Prunus cornuta (Wallich ex Royle) Steudel.

Trees 3–15 m tall. Branches blackish brown, glabrous, with sparse oblong lenticels; branchlets purplish brown, glabrous or sometimes velutinous. Winter buds ovoid, usually glabrous. Stipules linear, margin glandular serrate, apex acuminate. Petiole 1–2.3 cm, glabrous or subglabrous, apex with 2 nectaries; leaf blade narrowly elliptic to oblong, rarely oblong-lanceolate or obovate, 6–11 × 3–5 cm, abaxially pale green and glabrous or with tufts of hair at veins axils, adaxially dark green and glabrous, base subcordate to broadly cuneate, margin sparsely serrulate, apex shortly acuminate to shortly caudate. Racemes 8–16 cm, many-flowered, basally with 1–3 leaves; peduncle velutinous. Flowers 6–8 mm in diam. Pedicel 5–7 mm, velutinous. Hypanthium campanulate, outside basally velutinous. Sepals triangular-ovate, soon caducous, outside glabrous, margin glandular serrulate, apex obtuse. Petals white, obovate, base cuneate and shortly clawed, margin apically erose. Stamens 20–25. Ovary glabrous. Style slightly shorter than stamens; stigma disc-shaped. Drupe blackish brown, ovoid-globose, ca. 8 mm in diam., glabrous. Fl. Apr–May, fr. May–Oct.

Secondary forests, slopes, along trails; 2700--3300 m. S Xizang (Cona Xian, Yadong Xian) [Afghanistan, Bhutan, N India, Nepal, Sikkim].