异名：Rhododendron haemaleum Balf. f. et Forrest (synonym)、Rhododendron sanguineum Franch. subsp. haemaleum (I. B. Balfour et Forrest) Cowan (synonym)、Rhododendron sanguineum Franch. subsp. mesaeum Balf. f. ex Cowan (synonym)、Rhododendron sanguineum Franch. var. mesaeum Davidian (synonym)

图版102: 1-5

Rhododendron sanguineum Franch. var. haemaleum (Balf. f. et Forrest) Chamb. ex Cullen et Chamb. in Not. Bot. Gard. Edinb. 37; 334. 1979; Chamb. in Not. Bot. Gard. Edinb. 39: 397. 1982; 西藏植物志3: 590. 1986; 云南植物志4: 442. 1986. ——R. haemaleum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 11; 71. 1919; Tagg in Stevenson, Spec. Rhodod. 551. 1930; Hand. -Mazz. Symb. Sin. 7; 785. 1936;中国高等植物图鉴3: 98, 图4150. 1974.——R. sanguieum Franch. subsp. haemaleum (Balf. f. et Forrest) Cowan in Not. Bot. Gard. Edinb. 20; 69. 1940. ——R. sanguineum Franch. subsp. measaeum Balf. f. ex Cowan in ibid. 20; 70. 1940.

本变种与原变种的区别在于花冠为深黑红色。

产云南西北部及西藏东南部。生于海拔3 100-4 260米的岩坡上或杜鹃灌丛中。模式标本采自云南德钦。