quillwort

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Related to quillworts: Isoetaceae, Horsetails, Club mosses

quill·wort

 (kwĭl′wûrt′, -wôrt′)
n.
Any of several vascular, spore-bearing, aquatic or marsh plants of the genus Isoetes, having quill-like leaves.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quillwort

(ˈkwɪlˌwɜːt)
n
(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)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quillwort - any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quillsquillwort - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
A natural history of the ferns, clubmosses, quillworts, and horsetails of Denmark, Norway and Sweden.
Deteccion de ptaquilosido en diferentes estados fenologicos de "helecho macho"
From quillworts to monocots to dicots, from ultrastructure to developmental floral morphology to molecules, the topics presented by the participants emphasized the diversity of subjects and plant groups that Bill's closest collaborators and former students continue to study today.
Structural Botany in Systematics: a symposium in memory of William C. Dickison
Class 1 Lycopodiopsida (Lycophyta, Lycopsida, Lycophytes, Lycopods, Club Mosses, Spike Mosses, Quillworts)
Appendices
Traditionally, megaspores have been the most important character in determining Isoetes species, commonly known as "quillworts," due to their size and surface patterns.
Ornamentation of Isoetes (isoetaceae, Lycophyta) microspores
The divisions covered in this work are Equisetophyta and Lycopodiophyta, which include horsetails, scouring-rushes, quillworts, club-mosses, and spike-mosses.
PTERIDOPHYTES OF NORTHEAST ALABAMA AND ADJACENT HIGHLANDS
This is the reason underlying the strategy of, for example, the quillworts (Isoetes), which fix carbon dioxide at night in the form of organic acids for use in photosynthesis during the day.
2 Life in the high mountain

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