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C.P.S. Sommier, E. Levier, Enum. Pl. Caucas.: t. 48 (1900) [E. Roeseler] [52]
drawing: E. Roeseler [1]
lithography: C. Cuisin
Illustration contributed by:
New York Botanical Garden, U.S.A.
C.P.S. Sommier, E. Levier, Enum. Pl. Caucas.: t. 48 (1900) [E. Roeseler]