Abstract

Summary Seed and fruit anatomy is studied in Eupomatia laurina . The ovule is anatropous, bitegmic and crassinucellate. The fruit is an urceolate, turbinate berry. The fruit wall is demarcated into four zones out of which the third zone forms the bulk of the fruit wall which consists of parenchymatous cells and tannin ducts. The whole of testa and the inner epidermis of tegmen persist in the mature seed. The endosperm is ruminate. The ruminations which are in the form of finger-like projections are formed by both testa and tegmen. The embryo is small. It is concluded that the Eupomatiaceae and Annonaceae arose from the same ancestral stock but in the course of evolution they deviated considerably and developed their own characters.

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