椭圆叶石楠 tuo yuan ye shi nan

Trees evergreen, 4–5 m tall. Branchlets grayish brown when old, gray pubescent when young, gradually glabrescent, glabrous when old; buds ovoid, 3–5 mm, apex acute; scales tomentose. Petiole 0.8–1.5 cm, pubescent when young, glabrescent; stipules lanceolate, 3–5 mm, tomentose; leaf blade oblong, elliptic, or oblong-obovate, 5–8 × 2–3.5 cm, leathery, shiny adaxially, veins 12–14 slender inconspicuous pairs, both surfaces glabrous or abaxially puberulous only along midvein when young, glabrous when old, base rounded or broadly cuneate, margin slightly revolute, shallowly obtusely dentate, entire near base, apex acute and abruptly pointed. Compound corymbs terminal, 6–8 × 7–9 cm, compact, numerous flowered; rachis and pedicels densely yellow tomentose; bracts dark brown, lanceolate, 2.5–4 mm, tomentose. Pedicel 1–2 mm. Flowers 5–7 mm. Hypanthium glabrous abaxially. Sepals triangular-ovate, 1–2 mm, glabrous, margin minutely glandular serrate, apex obtuse. Petals orbicular, 2–3 mm in diam., adaxially pilose, base shortly clawed. Stamens 20, shorter than or nearly as long as petals. Ovary pilose apically; styles 2, connate basally. Fruit ellipsoid, 6–7 × 4–5 mm. Fl. Apr–May, fr. Sep–Oct.

Thickets, forest margins, stream sides; 1500--1800 m. SE Yunnan.