Difference between revisions of "Carex texensis"
Mem. Torrey Bot. Club 5: 97. 1894.
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| + | |code=E | ||
| + | |label=Endemic | ||
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| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Carex rosea var. texensis | |name=Carex rosea var. texensis | ||
|authority=Torrey ex L. H. Bailey | |authority=Torrey ex L. H. Bailey | ||
| + | |rank=variety | ||
| + | |publication_title=Mem. Torrey Bot. Club | ||
| + | |publication_place=1: 57. 1889 | ||
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name=Carex texensis | name=Carex texensis | ||
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|authority=(Torrey ex L. H. Bailey) L. H. Bailey | |authority=(Torrey ex L. H. Bailey) L. H. Bailey | ||
|rank=species | |rank=species | ||
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|publication title=Mem. Torrey Bot. Club | |publication title=Mem. Torrey Bot. Club | ||
|publication year=1894 | |publication year=1894 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_488.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Phaestoglochin | |section=Carex sect. Phaestoglochin | ||
Latest revision as of 20:41, 5 November 2020
Plants without conspicuous rhizomes. Culms 10–30 cm, 0.5–1 mm wide basally, 0.4–0.5 mm wide distally. Leaves: sheaths tight, green, fronts hyaline; ligules less than 2 mm, wider than long; widest leaf blades 1–1.7 mm wide. Inflorescences with 3–8 spikes, 0.6–3 cm × 5–6 mm; proximal internodes 1–2 times as long as proximal spikes; proximal bracts to 1(–3) cm; spikes with 3–10 spreading or reflexed perigynia. Pistillate scales hyaline or pale brown with green midvein, ovate, 1.8–2.4 × 0.8–1.3 mm, body 2/3 to almost length of perigynia, apex acute, acuminate or short-awned. Anthers 1 mm. Perigynia green to pale yellow, faces not veined, 2.6–3.4 × 1–1.3 mm, base of body spongy, thickened, longitudinally striate adaxially, spongy region 0.7–1.1 mm, margins entire, usually serrulate distally; beak 0.7–1.1 mm, apical teeth 0.1–0.3 mm. Stigmas straight or slightly twisted, 0.05 mm wide. Achenes ovate, 1.3–1.5 × 1–1.1 mm.
Phenology: Fruiting spring.
Habitat: Dry to wet-mesic open forests and fields, often rocky or sandy substrates
Elevation: 50–300 m
Distribution
Ala., Ark., Calif., Fla., Ga., Kans., Ky., La., Md., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, S.C., Tenn., Tex., Va.
Discussion
Carex texensis is introduced into California, New Jersey, New York and Ohio. Due to confusion with C. retroflexa, C. texensis is probably under-recorded.
Selected References
None.