Figure 5 from: De Block P, Rakotonasolo F, Ntore S, Razafimandimbison SG, Janssens S (2018) Four new endemic genera of Rubiaceae (Pavetteae) from Madagascar represent multiple radiations into drylands. PhytoKeys 99: 1-66. https://doi.org/10.3897/phytokeys.99.23713

Figure 5 Exallosperma longiflora: pyrene and seed. A fruit with exocarp and mesocarp removed, showing two pyrenes B abaxial view of pyrene, showing apical preformed germination slit C adaxial view of pyrene, showing apical preformed germination slit and open centre D lateral view of seed, showing irregular ridges on the seed surface E cross-section through pyrene and seed, showing the adaxial opening of the pyrene, the entire endosperm and the irregular ridges formed by strongly elongated exotesta cells F longitudinal section of seed, showing the embryo position. A–F Capuron 24663-SF.