138．粉钟杜鹃（云南植物志）
名称文献：Rhododendron balfourianum Diels in Not. Bot. Gard. Edinb. 5: 214. 1917; Tagg in Stevenson, Spec. Rhodod. 636. 1930; Cullen et Chamb. in Not. Bot. Gard. Edinb. 36: 119. 1978; Chamb. in Not. Bot. Gard. Edinb. 39: 341. 1982; 云南植物志4: 418. 1986, pro parte, excl, guoad syn.