Rhododendron decorum diaprepes aprepes (I. B. Balfour et W. W. Sm.) T. L. Ming

Shrub or tree, 1-14 m. Leaves elliptic-oblong to ovate, 12—19(—30) x 4.4-11 cm, 1.7-3 x as long as broad, apex ± rounded and minutely mucronate, base rounded, lower surface glabrous when mature except for persistent punctulate hair bases; petioles 2-3.5 cm, glabrous. Inflorescence 5-10-flowered; rhachis 15-20 mm; pedicels 15-30 mm, ± stipitate-glandular. Calyx 2-6 mm, lobes shallow to well-developed, stipitate-glandular. Corolla 7—8-lobed, open- to funnel-campanulate, ± glandular outside, puberulent within, white, sometimes flushed rose, (65-)80-100 mm. Stamens 18-20, filaments puberulent below. Ovary and entire style with white-stipitate glands. Capsule 30-60 x 12 mm, curved