Rhododendron orthocladum Balf. f. et Forrest (Ericaceae)
104．直枝杜鹃（云南植物志）
名称文献：Rhododendron orthocladum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 11: 104. 1919; Hutch. in Stevenson, Spec. Rhodod. 417. 1930; Philipson et M. N. Philipson in Not. Bot. Gard. Edinb. 34: 43. 1975; Cullen in ibid. 39: 103. 1980; Davidian, Rhodod. Spec. 1: 198. 1982; 云南植物志4: 507. 图版141, 1-5. 1986; 青海木本植物志508. 图360. 1987; 横断山区维管植物下册1437. 1994.