FIGURE 13. The E. tetrapetala clade. A–B. E in Toward a phylogenetic-based Generic Classification of Neotropical Lecythidaceae- I. Status of Bertholletia, Corythophora, Eschweilera and Lecythis

FIGURE 13. The E. tetrapetala clade. A–B. E. tetrapetala (see Fig. 63 in Mori & Prance, 1990 for vouchers), C. E. alvimii (see Fig. 65 in Mori & Prance, 1990 for vouchers). D–E. E. nana (see Fig.8 in Prance & Mori, 1991 for vouchers). A. Medial section of androecium. Note that the androecial hood has a single coil and that there are vestigial stamens on both the exterior and interior of the coil, a feature unique to all species of this clade. B. Cross-section of 2-locular ovary, a feature common to all species of this clade. C. Medial section of androecium of E. alvimii. D. Fruit base and operculum. Note that the operculum lacks a columella. E. Seeds with basal arils. Drawings by B. Angell.