Abstract
AbstractFruit of Nerium is an aggregate of two follicles, developing from a bicarpellary sub‐apocarpous pistil with numerous ovules on marginal placenta. Both the carpels are close to each other by their ventral sides from base to tip as a result of a post‐genital carpel fusion. Ovary wall is homogenous parenchymatous differentiated into outer epidermis, mesodermis and inner epidermis. Epicarp developing from the outer epidermis, is single layered in the early stages of development, but later it becomes multilayered towards maturity. Epicarp is highly folded, possessing stomata and hairs on its surface. Mesocarp is parenchymatous embedding, laticifers and vascular bundles with sclerefied bundle caps. Endocarp is multilayered and sclerenchymatous possessing druse crystals. Separation of the two ventrally fused follicles initiates first and afterwards each follicle dehisces marginicidally. Seeds are oval, cylindrical and covered all over the surface with small brown hairs, but long hairs are also present at one end.
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