Survey of the fruits and endocarps of Icacinaceae (Lamiids, Icacinales) Author Rio, Cédric Del Author Stull, Gregory W. Author Franceschi, Dario De text European Journal of Taxonomy 2020 2020-05-14 645 1 130 journal article 22093 10.5852/ejt.2020.645 1cd473d9-9d96-438f-bab4-29c5e56f82b8 3829651 Iodes ovalis Blume Fig. 14.10–14.18 Material examined Specimen used for endocarp and fruit description VIETNAM • Hiep HLF 203 ; MO [ MO-2080935 ]. Other material INDONESIA • “ Celebes ” [ Sulawesi ]; 1863; Kunz ? ; P [MNHN-P-P04504863] . Description FRUIT. Elliptical, cleft at the base, red when mature. Epicarp strigose with yellow simple hairs with granular ornamentation and small papillae-like hairs lining the fruit, shriveled when dry, revealing the underlying reticulum of endocarp ridges. Mesocarp 142–242 µm thick when dry. Length 15–25 mm , width 10.0– 11.4 mm , thickness 8–9 mm . ENDOCARP. Cream, elliptical in lateral view, lenticular in transverse section, length ca 17.8 mm , width ca 11 mm , thickness ca 8.6 mm . Keel surrounding the endocarp in the plane of symmetry, with the thicker margin containing a vascular bundle embedded within the endocarp wall. Apex asymmetrical and acute in lateral view; base flattened and cleft. Outer surface of the endocarp ridged and faintly rugose, with 3–4 main longitudinal ridges delimiting a reticulate pattern, enclosing 3–4 large polygonal areoles. Ridges thin, rectangular, with a median channel, interconnected with some very short freely ending ridgelets. Rugosities distributed over the entire surface. Endocarp possessing a symmetrical pair of horn-like protrusions positioned eccentrically and subapically on the endocarp faces, each with a central pit. Endocarp wall 314–375 µm thick excluding ridges (ca 490 µm thick including ridges). Endocarp wall with three cell layers: outermost layer with 16–19 rows of isodiametric, occasionally anticlinally oriented cells, followed by a layer with 6–11 rows of periclinally oriented cells; innermost layer with one row of periclinally oriented cells, lining the locule surface with regularly spaced and rounded papillae; papillae 9.2–11.8 µm (av. 10.1 µm ) in diameter, at least 220 papillae per 0.25 mm 2 . Locule lacunate.