FIG. 7 in Description of four new species of Monodora and Isolona (Annonaceae) from Tanzania and an overview of Tanzanian Annonaceae diversity

FIG. 7. — SEM of pollen grains and tectum structure: A, B, Monodora carolinae Couvreur; C, D, M. globiflora Couvreur; E, F, M. hastipetala Couvreur; G, H, Isolona hexaloba Engl. & Diels from Ivory Coast; I, J, Isolona linearis Couvreur. A, B, Phillipson 4940 (C); C, D, Luke 3136 (MO); E, F, Phillipson 4958 (MO); G, H, de Wilde et al. 839 (WALKB, WAG); I, J, Frimodt-Møller et al. TZ59 (C). Scale bars: A, C, E, G, I, 10 µm; B, D, F, H, J, 1 µm.