quillwort

quillwort [kwil-wurt, -wawrt] ExamplesWord Origin noun

1. any fernlike, aquatic marsh plant of the genus Isoëtes, characterized by clustered, quill-like leaves bearing sporangia in their bases.

Origin of quillwort First recorded in 1780–90; quill + wort2 Examples from the Web for quillwort Historical Examples of quillwort

Professor Lang has published the first of a series of communications describing the structure of the Quillwort, Isoetes.

The Annual Register 1914

Anonymous

British Dictionary definitions for quillwort quillwort noun

1. 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)