Repert, Spec. Nov. Regni Veg. 2: 113 (1906).
Verified by:
Deciduous or semi-evergreen shrub, to 2m; densely branched, branchlets with dense coarse flat, yellowish-brown, adpressed hairs. Leaves persistent coriaceous, dimorphic, lanceolate to oblanceolate; spring leaves 1.5-6 x 0.5-1.5cm, apex acute, base cuneate, margin slightly crenulate, upper surface lustrous, glabrous except for a few coarse flat adpressed hairs on the midrib, net-veins conspicuously impressed, lower surface with few and similar hairs; summer leaves 5-10 x 3-5mm, otherwise as for spring leaves; petioles 3-5mm, covered with adpressed flat yellowish-brown hairs. Inflorescence (3-)6-12~flowered; pedicels 10-15mm, densely hairy. Calyx minute, hairy. Corolla tubular-campanulate, rose, 20-30mm, glabrous; tube 7-15mm, 3mm wide at base. Stamens 5, longer than corolla, papillate below middle. Ovary densely hairy, hairs coarse, lustrous, yellowish-red, adpressed; style glabrous. Capsule ovoid, densely hairy.
China (Guizhou, N Guangxi, W Hubei, SE Sichuan)
Thickets
R. spinigerum Levi, Bull. Acad. Geog. Bot. 24: 251 (1914). Type: Kouy-Tcheou (Guizhou), Hot a Pia Quay-Ho, 700m, 2 v 1912, Esquirol 3560 (holo. E). R. kouytchense Levi., Fl. Kouy-Tcheou 152 (1914), nom. nud., pro syn. sub. R. chrysocalyx. R. xiushanense Fang in Acta Phytotax. Sin. 21: 461 (1983). Type: China, Sichuan, Xiushan, Baigeqiao, 370m, 17 v 1978, S.X. Tan 354 (holo. SZ).
Chamberlain, D.F. & Rae, S.J. (1990) A Revision of Rhododendron IV Subgenus Tsutsusi. Edinburgh Journal of Botany 47(2):107