quillwort

quill·wort  (kwlwûrt, -wôrt)

n.

Any of several vascular, spore-bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill-like leaves.

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quillwort [ˈkwɪlˌwɜːt]

n

(Life Sciences & Allied Applications / Plants) any aquatic tracheophyte plant of the genus Isoetes, with quill-like leaves at the bases of which are spore-producing structures: family Isoetaceae, phylum Lycopodophyta (club mosses, etc.)

Thesaurus

Noun

1.

quillwort - any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia fern ally - pteridophytes of other classes than Filicopsida genus Isoetes, Isoetes - type and genus of the Isoetaceae and sole extant genus of the order Isoetales