Comprehensive Description
Read full entryNomenclatural History
R. keysii var. unicolor Hutchinson, Journ. Roy. Hort. Soc. 59: xxxix (1934). Type: a cultivated specimen (holo. K). R. igneum Cowan, Notes R.B.G. Edinb. 19:235 (1937). Type: S Tibet, 4 miles below Lung, Chayul Chu, 8500 ft, 10 vii 1936, Ludlow & Sherriff 2334 (holo. E)
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