藏南栒子 zang nan xun zi

Cotoneaster nitidus Jacquin subsp. taylorii (T. T. Yü) H. Ohashi.

Shrubs or small trees, deciduous, 2–3 m tall. Branchlets grayish brown when old, terete, initially densely brownish yellow strigose, glabrous when old. Petiole 2–3 mm, brownish yellow pilose; stipules lanceolate, 1–2 mm, membranous, brownish yellow pilose; leaf blade suborbicular or broadly ovate, 1–1.2 cm × 9–10 mm, adaxially shiny, veins inconspicuously raised abaxially and slightly impressed adaxially, both surfaces initially hirtellous, glabrous when old, base rounded, rarely broadly cuneate, apex obtuse or acute. Inflorescences 2- or 3-flowered; bracts lanceolate, 1–2 mm, membranous. Pedicel 3–5 mm, hirsute. Hypanthium campanulate, abaxially usually glabrous. Sepals broadly triangular, puberulous only along margin, apex obtuse. Petals erect, dark red with white margin, suborbicular, 3–3.5 mm in diam., base shortly clawed, apex obtuse. Stamens ca. 10, shorter than petals, glabrous. Ovary with dense, white hairs at apex; styles 2, free, not exceeding stamens. Fruit red, obovoid, pyrenes 1 or 2. Fl. May–Jun, fr. Jul–Aug.

Stream sides, gully forests, thickets, river valleys; 3300--4200 m. E Xizang.