Figure 1 from: Pirie M, Chatrou L, Maas P (2018) A taxonomic revision of the Neotropical genus Cremastosperma (Annonaceae), including five new species. PhytoKeys 112: 1-141. https://doi.org/10.3897/phytokeys.112.24897

Figure 1 - Flowers of Cremastosperma. Fig. 11 from van Heusden (1992). aC.microcarpum: longitudinal section bC.oblongum R.E.Fr.: longitudinal section cC.monospermum (Rusby) R.E.Fr.: bud dC.gracilipes R.E.Fr.: flower e, fC.cauliflorum R.E.Fr.: longitudinal section (e) and stamen (f) gC.microcarpum: carpel (aMaas et al. 6281bMaas et al. 4592cNelson 763dLuteyn et al. 4890e, fHolm-Nielsen et al. 21501gPrance et al. 3527).