male fern


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male fern:

see fernfern,
any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain forests. The ferns and their relatives (e.g.
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.

Male Fern

 

(Dryopteris filix-mas), an herbaceous perennial plant of the family Aspidiaceae. The leaf blades are twice pinnate, and the petiole and the rhizome have large, dark scales. The sori have budlike indusia, which are distributed on the lateral veins of the leaf blade segments. The male fern grows in shaded areas under shrubs in the forest zone of Eurasia and North America. An extract from the rhizome is used as a vermifuge for tapeworms and pinworms. The rhizomes also contain substances (by-products of filicinic acid) that cause muscular paralysis of intestinal parasites.

References in periodicals archive ?
While the male fern is deciduous, for something rather different, try the evergreen autumn fern (Dryopteris erythrosora), which is a native of the Far East.
ALL ITS GLORY: Dryopteris affinis, the Golden Male Fern, can reach 90 cm (36in) tall and has produced some wonderful variations with twisted and congested fronds that add another dimension to the display
You will also find linear male fern in the garden centres and one or two other variations on our most common fern.
The evergreen species of asplenium and Polypodium vulgare are at home in dry shade, while Dryopteris affinis, also known as the golden male fern because its golden leaf midribs contrast attractively with the pale green young leaves, tolerates sun and is fairly windresistant so can be grown in more exposed sites.