“sterigma”的英文意思_释义_用法

单词

sterigma

释义

‖ sterigma Bot.|stəˈrɪgmə|
Pl. -ata.
[mod.L., a. Gr. στήριγµα prop, support, f. στηρίζειν to set fast, support.]
a. A ridge extending down a stem below the point of attachment of a decurrent leaf.
b. In fungi, a stalk or filament bearing a spore; often a branch or outgrowth of a basidium.
1866Treas. Bot. 1098/2 Sterigmata, the elevated lines or plates upon stems produced by the bases of decurrent leaves.1874Cooke Fungi 21 Each spore is borne upon a slender stalk or sterigma.1879Encycl. Brit. IX. 832/1 From the hymenium rise the basidia, at the apex of which are usually four sterigmata bearing the spores.
Hence sterigmatic |stɛrɪgˈmætɪk| a., pertaining to or of the nature of a sterigma.
1882Encycl. Brit. XIV. 555/1 The spermatia..at first appear as minute protrusions on the apices of the sterigmatic cells.

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