DEVELOPMENT OF OVULE AND SEED‐COAT OF DICHAPETALUM MOMBUTTENSE ENGL. WITH NOTES ON OTHER SPECIES
作者:
F. D. Boesewinkel,
F. Bouman,
期刊:
Acta Botanica Neerlandica
(WILEY Available online 1980)
卷期:
Volume 29,
issue 2-3
页码: 103-115
ISSN:0044-5983
年代: 1980
DOI:10.1111/j.1438-8677.1980.tb00368.x
数据来源: WILEY
摘要:
SUMMARYThe ovule primordium ofDichapetalum mombuttenseseems to be trizonate. The ovule is tenuinucellate and both integuments are of dermal derivation.During seed development the whole inner integument and a part of the outer integument are resorbed.The outer integument is vascularized. The seed‐coat is exotestal and consists of a differentiated outer layer of the outer integument and crushed remains of the middle layers. The endosperm is initially nuclear, later to become one cell layer thick.The systematic postion of Dichapetalaceae is discusse
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