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Bot. Mus. Leafl., vol. 15 : t. 6 (1951-1952) [E.W. Smith] [57]
drawing: E.W. Smith [37]
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
Bot. Mus. Leafl., vol. 15 : t. 6 (1951-1952) [E.W. Smith]