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KMID : 0368419870300030189
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Journal of Plant Biology
1987 Volume.30 No. 3 p.189 ~ p.199
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Morpho-Histogenesis of Fruit Sculpture and Dehiscence in Thespesia populnea(L.) Soland(Malvaceae)
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Rao, T.V.
Ramana, Yash Dave/J.A. Inamdar
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Abstract
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Morpho-histogenesis of fruit sculpture and dechiscence in Thespesia populnea is described. The fruit wall is differentiated into epicarp, mesocarp and endocarp. The epicarp is stony, rind-like, 30 to 35 layers thick and derived from outer epidermis, sub-epidermis and ground parenchyma of the ovary wall. The spherical and/of tangentially elongated, thick walled cells of epicarp are interspersed with radial bands of sclereids. The mesocarp is a product of the inner zone of ground parenchyma. At maturity 20 to 25 layers of thin walled parenchyma of mesocarp appear sinuous of disorganized. The innermost 1 to 3 layers of ground parenchyma and sub-epidermis and inner epidermis form 35 to 40 layers thick endocarp. Due to the differentiation of fibrous tissue in the projection of median plane of carpel wall and a complete ring of fibrous zone in the endocarp, the dry capsule of Thespesia populnea dehises partially in loculicidal fashion.
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