| 释义 |
‖ Adiantum Bot.|ædɪˈæntəm|
[L., ad. Gr. ἀδίαντον maiden-hair, prop. adj. ‘unwetted’, f. ἀ not + διαίν-ειν to wet; so called from the way in which the surfaces of the fronds resist wetting.]
1. A genus of ferns, having more or less wedge-shape pinnules on slender black shining stems, and marginal sori, covered by distinct indusia, of which one species (A. Capillus Veneris), commonly called True Maiden-hair, is a rare native of Britain.
1706Phillips, Adiantum, The Herb Maiden-Hair, so call'd because its Leaves take no wet. 1866Moore Treas. Bot. 20 In Adiantum the spore-cases are not attached to the frond, but to the under side of the indusium.
2. Herb. and pop. The Black Maiden-hair, a species of Spleenwort (Asplenium Adiantum-nigrum).
1866Cornh. Mag. Nov. 536 Maidenhair, black adiantum, and blue violets hanging from the brink. |