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Extrafloral nectar in Dyckia floribunda and D. longipetala. (A–D) D. floribunda: (A) the arrow indicates two drops accumulated on the perianth of a flower in anthesis; (B) the arrow indicates a drop accumulated on the perianth of a bud at an early stage of development; (C,D) Camponotus rufipes and Crematogaster quadriformis, respectively, collecting extrafloral nectar. (E) The arrows indicate drops accumulated on nearly open flower buds of D. longipetala. Bars = 5 mm.
