FIGURE 3 in Ruehssia sumiderensis (Apocynaceae), a new species from Chiapas state, Mexico

FIGURE 3. Staminal corona of Ruehssia sumiderensis in SEM. A. Apical view; B. Detail of the lobe of the corona; C. Lateral view, see convex lobes of the staminal corona connivant to the anthers; D. Detail of the lobes of the staminal corona; E. Papillous surface of the staminal corona lobes; F. Anterior and posterior view of pollinia, note the protuberances in the caudicles; G. Lateral view in the bud flower, without corolla; H–I. Detail of the wings of anthers in the floral bud and mature flower, respectively. Note the wings of anthers descending to the corona lobes in the shape of parallel lines, and the line of fusion at the base of the lobes of the corona; bar in A, B, C, D, F, G, H, I 100 μm; bar in E 10 μm; A= anther; Aw= anther wings; C= caudicle; Cs= staminal ginostegial corona; G= gynostegium; K= corpusculum; P= pollinia.