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单词 bracken
释义

bracken


brack·en

B0441300 (brăk′ən)n.1. A fern (Pteridium aquilinum) found worldwide, with large, triangular fronds usually divided into three parts.2. An area with dense thickets of this fern.
[Middle English braken, probably of Scandinavian origin; see bhreg- in Indo-European roots.]

bracken

(ˈbrækən) n1. (Plants) Also called: brake any of various large coarse ferns, esp Pteridium aquilinum, having large fronds with spore cases along the undersides and extensive underground stems2. (Plants) a clump of any of these ferns[C14: of Scandinavian origin; compare Swedish bräken, Danish bregne]

brack•en

(ˈbræk ən)

n. 1. a large fern, Pteridium aquilinum, of the polypody family, having large, creeping rootstocks and triangular fronds. 2. a cluster of such ferns. [1275–1325; Middle English braken < Scandinavian]
Thesaurus
Noun1.bracken - fern of southeastern Asiabracken - fern of southeastern Asia; not hardy in cold temperate regionsPteridium esculentumfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by sporesgenus Pteridium, Pteridium - a genus of ferns belonging to the family Dennstaedtiaceae
2.bracken - large coarse fern often several feet highbracken - large coarse fern often several feet high; essentially weed ferns; cosmopolitanpasture brake, Pteridium aquilinum, brakefern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by sporesgenus Pteridium, Pteridium - a genus of ferns belonging to the family Dennstaedtiaceae
Translations
felce

bracken


bracken

or

brake,

common name for a tall fern (Pteridium aquilinum) with large triangular fronds, widespread throughout the world, often as a weed. It is considered poisonous to livestock when eaten in quantity, but the rootstocks and the young shoots, cooked, are used for food. Bracken is also a source of tannin and is used for thatching and as bedding for livestock. A beverage is made from the roots. The names bracken and brake are sometimes also applied to other large, coarse ferns and, as general terms, to a thicket of such plants. Bracken is classified in the division PolypodiophytaPolypodiophyta
, division of the plant kingdom consisting of the plants commonly called ferns. The ferns are vascular plants with stems, roots, and leaves. The small and inconspicuous gametophyte and the large spore-producing fern plant are quite independent of each other.
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, class Polypodiopsida, order Filicales, family Polypodiaceae.

bracken

1. any of various large coarse ferns, esp Pteridium aquilinum, having large fronds with spore cases along the undersides and extensive underground stems 2. a clump of any of these ferns

bracken


  • noun

Synonyms for bracken

noun fern of southeastern Asia

Synonyms

  • Pteridium esculentum

Related Words

  • fern
  • genus Pteridium
  • Pteridium

noun large coarse fern often several feet high

Synonyms

  • pasture brake
  • Pteridium aquilinum
  • brake

Related Words

  • fern
  • genus Pteridium
  • Pteridium
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更新时间:2025/3/18 1:10:13