大叶石楠 da ye shi nan

Shrubs evergreen, ca. 3 m tall. Branchlets angulate, densely brownish yellow tomentose. Petiole 2–3 mm, densely brownish yellow tomentose; stipules caducous; leaf blade elliptic or elliptic-obovate, 16–27 × 10–12 cm, veins 20–25 pairs, raised abaxially and impressed adaxially, abaxially densely brownish yellow tomentose, adaxially glabrous, base broadly cuneate or subrounded, margin obscurely crenate, apex acuminate to caudate. Compound corymbs terminal, many flowered; rachis and pedicels densely brownish yellow tomentose. Pedicel 2–5 mm. Hypanthium campanulate, abaxially puberulous or subglabrous. Sepals triangulate-ovate, shorter than tube, apex acute. Ovary with 2 ovules per locule; styles 2, basally connate. Fruit not seen. Fl. May–Jun.

Broad-leaved forests on slopes; ca. 1800 m. SE Xizang.