Fig. 4From: Adansonia digitata germination tests. Elephants or heat: what causes scarification of seed to facilitate germination?Incident-light microscopy images of Adansonia digitata seed, at the inner surface of the reniform seed, C chalaza, E endosperm, PL inner pigment layer with tannin, SC seed coat. a Seed fracture to bare the chalaza; b close-up view of the chalaza structureBack to article page