Hemianatropous Ovule and Allium Type Embryo-sac of Vitex rotundifolia(Lamiaceae)

doi:10.7525/j.issn.1673-5102.2015.06.007

Abstract

Abstract: We studied the development of the ovule and embryo-sac of Vitex rotundifolia by paraffin sections to add the embryological data of Viticoideae. The ovule is hemianatropous, unitegmic and tenuinucellate. The endothelium is present. Development of the embryo-sac is of Allium type which may be derived from the monosporic Polygonum type. Allium type embryo-sac in V.rotundifolia is first reported in Viticoideae as well as the whole Lamiaceae.

Key words: embryo-sac development, ovule development, Vitex rotundifolia

CLC Number:

KONG Dong-Rui1；WANG Zhong-Li1；SONG Yi-Gang2. Hemianatropous Ovule and Allium Type Embryo-sac of Vitex rotundifolia(Lamiaceae)[J]. Bulletin of Botanical Research, 2015, 35(6): 832-835.

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