Bull. Soc. Nat. Mosc. 7: 155 (1837)
Verified by:
Shrub to 2 m. Young growth lepidote and filiform-acicular puberulent. Leaves oblong-elliptic to narrowly oblong-elliptic, (16—)30—40(-56) x (5-)9-25 mm, acute at apex, cuneate at the base, sparsely lepidote and puberulent along the midrib and some of the veins above, densely to moderately lepidote beneath, the scales usually brownish, broad-rimmed, and contiguous or overlapping. Inflorescence usually more than 20-flowered, with a conspicuous rachis, the pedicels puberulent and sparsely lepidote, 10-20 mm. Calyx lobes 1-2 mm, triangular or narrowly triangular, acute, lepidote and fringed with loriform hairs. Corolla funnel-campanulate, 5-8 mm, the tube 1-3 mm, white, unspotted, densely lepidote on the outside, glabrous within. Stamens 10, exceeding the corolla, filaments glabrous. Ovary lepidote, style impressed, shorter than stamens, glabrous or more rarely with a few hairs near the base. Capsule cylindric, lepidote, 5-6 mm.
China (Heilongjiang, Jilin, Hebei, Hubei, Gansu, Shanxi, Shandong, Sichuan, Liaoning), Korea
Scrub and thickets
R. rosthornii Diels, Bot. Jahrb. 29:509 (1900). Type: China, Szechuan, Tseku lao, Chu shin-kon, Rosthorn 2556 (n.v.). R. pritzelianum Diels, op. cit.: 510. Type: China, Szechuan, Nan chuan, Rosthorn 2145, 2146, 2162 (n.v.)
Cullen, J. (1980) A Revision of Rhododendron 1: Subgenus Rhododendron sections Rhododendron & Pogonanthum. Notes from the Royal Botanic Garden Edinburgh 39(1):132