Fig. 1.

Kingdonia uniflora. Heterodichogamy. (A) Flower at early anthesis, with the stigmas higher than the anthers; (B) protandrous flower, with all anthers dehisced and stigmas at lower level than anthers; (C) protandrous flower, with all anthers dehisced and styles reflexed; (D) protogynous flower, with the styles reflexed but the anthers not yet dehisced; (E) protogynous flower, with the anthers beginning to dehisce; (F) two protogynous flowers of a single shoot; the styles of the upper flower beginning to reflex and anthers still undehisced, those of the lower flower reflexed and one stamen dehisced. Scale bars = 2 mm.