FIGURE 4 in Systematics of Mendoncia (Acanthaceae: Thunbergioideae) in the Paleotropics

FIGURE 4. Pollen of Mendoncia spp. from Africa. A–C, M. gilgiana (Breteler 1834). A. Apertural view. B. Interapertural view. C. Rugulate (and densely microverrucate to microgemmate to microbaculate) exine. D–F, M. lindaviana (Hladik s.n.). D. Interapertural view. E. Oblique (or polar?) view. F. Rugulate (and sparsely microverrucate to microgemmate) exine. G–I, M. phytocrenoides (Letouzey 4306). G. Interapertural view. H. Polar view. I. Rugulate exine with smooth rugulae. DISTRIBUTION AND HABITATS