Difference between revisions of "Carex sect. Hirtifoliae"
Novon 11: 458. 2001.
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|distribution=Temperate e North America. | |distribution=Temperate e North America. | ||
|discussion=<p>Species 1.</p><!-- | |discussion=<p>Species 1.</p><!-- | ||
| − | --><p>Carex sect. Hirtifoliae was included by K. K. Mackenzie (1931–1935, parts 2–3, pp. 215–219) in C. sect. Triquetrae; it is easily distinguished from that section morphologically, and it is also ecologically and geographically anomalous in that section. Its relationships are unclear, but it is similar to C. sect. Hymenochlaenae in many respects.</p> | + | --><p><i>Carex </i>sect.<i> Hirtifoliae</i> was included by K. K. Mackenzie (1931–1935, parts 2–3, pp. 215–219) in <i>C. </i>sect.<i> Triquetrae</i>; it is easily distinguished from that section morphologically, and it is also ecologically and geographically anomalous in that section. Its relationships are unclear, but it is similar to <i>C. </i>sect.<i> Hymenochlaenae</i> in many respects.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=2001 | |publication year=2001 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_910.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Hirtifoliae | |section=Carex sect. Hirtifoliae | ||
Latest revision as of 20:43, 5 November 2020
Plants loosely cespitose, short-rhizomatous. Culms red-brown at base. Leaves: basal sheaths not fibrous; sheath fronts membranous; blades M-shaped in cross section when young, adaxial surface with 2 lateral veins more prominent than midvein, pilose. Inflorescences racemose, with 2–5 spikes; proximal bracts sheathless or sheath less than 4 mm; lateral spikes pistillate, subsessile or short-pedunculate not more than 1 cm, prophyllate; terminal spikes staminate. Proximal pistillate scales with apex awned, glabrous. Perigynia ascending, veinless except for 2 strong marginal veins, stipitate, ellipsoid-obovoid, trigonous in cross section, less than 10 mm, base rounded, apex abruptly contracted to beak, pilose; beak 0.7–1.5 mm, bidentate, teeth less than 0.8 mm. Stigmas 3. Achenes trigonous, nearly as large as bodies of perigynia; style deciduous.
Distribution
Temperate e North America.
Discussion
Species 1.
Carex sect. Hirtifoliae was included by K. K. Mackenzie (1931–1935, parts 2–3, pp. 215–219) in C. sect. Triquetrae; it is easily distinguished from that section morphologically, and it is also ecologically and geographically anomalous in that section. Its relationships are unclear, but it is similar to C. sect. Hymenochlaenae in many respects.
Selected References
None.