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. 2018 May 21;(99):1–66. doi: 10.3897/phytokeys.99.23713

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Petra De Block, Franck Rakotonasolo, Salvator Ntore, Sylvain G. Razafimandimbison, Steven Janssens

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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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.