平臥怒江杜鵑
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2023-11-10 03:07
Rhododendron saluenense Franch. var. prostratum (W. W. Smith) R. C. Fang in Act. Bot. Yunn. 4: 256. 1982; 云南植物志 4: 519. 1986; 橫斷山區(qū)維管植物下冊(cè) 1432. 1994. ——R. prostratum W. W. Smith in Not. Bot. Gard. Edinb. 8: 202. 1914; Curtis's Bot. Mag. 144. t. 8747. 1918; Hutch. in Stevenson, Spec. Rhodod. 596. 1930; Davidian in Rhodod. and Cam. Year Book, 93. 1954; id. Rhodod. Spec. 1: 300. 1982; 中國高等植物圖鑒 3: 44. 圖4042. 1974. ——R. chameunum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 13: 37. 1920; Hutch in Stevenson, Spec. Rhodod. 591. 1930; Davidian in Rhodod. and Cam. Year Book, 87. 1954; id. Rhodod. Spec. 1: 297. 1982. ——R. cosmetum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 13: 38. 1920; Hutch. in Stevenson, Spec. Rhodod. 593. 1930. ——R. charidotes Balf. f. et Farrer in Not. Bot. Gard. Edinb. 13: 242. 1922; Hutch. in Stevenson, Spec. Rhodod. 592. 1930. ——R. saluenense Franch. subsp. chameunum (Balf. f. et Forrest) Cullen in Not. Bot. Gard. Edinb. 36: 112. 1978; id. in ibid. 39: 117. 1980.
匍匐狀矮小灌木，高(5-)10-30(-60)厘米；葉較小，長7-17毫米；花冠較短小，長1.4-2.5厘米；花萼外面無鱗片或偶有數(shù)個(gè)鱗片，被微毛或近無毛，邊緣有短睫毛。其余特征同原變種。
產(chǎn)云南西北部（貢山、德欽、中甸、維西、麗江）。生于巖坡杜鵑灌叢或高山灌叢草甸，海拔(3300-)3800-4800米。模式標(biāo)本采自麗江。