endotesta
1. The endotesta consists of one layer of sclereids with inner tangential and radial walls thickened very much.
内种皮由1层径向延长的细胞构成,内切向壁与部分径向壁非常增厚。
2. A gap of endotesta exists in the chalazal region and was filled up with a group of pigment cells.The outline of the pigment cell group looks like a crescent.
合点区内种皮出现缺口,缺口间充满合点区色素细胞,其整体轮廓成新月形。
3. A gap of endotesta exists in the chalazal region and is filled up with a group of pigment cells.The outline of the pigment cell group looks like trumpet-shaped.
合点区内种皮出现缺口,缺口间的合点区色素细胞群整体轮廓呈刺叭状。
4. Exotesta is stone-hard, mesotesta coriaceous, endotesta membranaceous.
外种皮石质,中种皮革质,内种皮膜质;