Observation of dual function of nectaries in Ruellia radicans (Nees) Lindau (Acanthaceae)

(** Specialist Dieter C. Wasshausen has since determined Ruellia radicans (Nees) Lindau to be Polylychnis fulgens Bremek.

Reprinted with permission from the Torrey Botanical Society from Bull. Torrey Bot. Soc. 118 (2): 188-190. 1991.

by

Carol Gracie

The New York Botanical Garden, Bronx, NY 10458-5126

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Fig. 1 (A) Tubular corolla of Ruellia radicans [now Polylychnis fulgens Bremek.]. (B) Developing ovary surrounded by annular nectary showing nectar droplet on projection. (C) Ant taking nectar from projections of annular nectary.

 


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