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Blechum P. Browne [6]
N.L. Britton, F.W. Horne, Popular Fl. Puerto Rico: t. 3], fig. 2 () [F.W. Horne] [730]
drawing: F.W. Horne [781]
Illustration contributed by:
New York Botanical Garden, U.S.A.

Acanthaceae
N.L. Britton, F.W. Horne, Popular Fl. Puerto Rico: t. 3], fig. 2 () [F.W. Horne]