Seed morphology and seed coat structure A Capsicum chinense B C. chacoense, longitudinal section C, D C. schottianum, cross section (D detail of the seed coat structure) E C. annuum var. annuum, detail of seed coat structure (the rectangle indicates a cell of the seed coat) F, G C. eximium, cross sections at the seed margin and seed body, respectively H C. dimorphum, cross section at the seed body. Abbreviations. aw anticlinal cell wall, bp beak prominence, em embryo, en endosperm, h hilum, im inferior seed margin, ipw inner periclinal wall, opw outer periclinal wall, sb seed body, sc seed coat, sm superior seed margin, w seed width, l seed length. Scale bars: 200 μm (A–C); 100 μm (D, F, H); 20 μm (E, G).