Difference between revisions of "Carex thurberi"
in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 232. 1859.
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name=Carex thurberi | name=Carex thurberi | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_950.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Vesicariae | |section=Carex sect. Vesicariae | ||
Revision as of 20:13, 16 December 2019
Plants densely to loosely cespitose; rhizomes short, no more than 10 cm. Culms trigonous in cross section, 40–100 cm, scabrous-angled distally. Leaves: basal sheaths reddish purple; ligules longer than wide; blades pale to mid green, flat to W-shaped, 3.5–9 mm wide, glabrous. Inflorescences 6–25 cm; proximal bract 15–40 cm, exceeding inflorescence; proximal 3–4 spikes pistillate, erect or the proximal spreading; terminal 1–2 spikes staminate. Pistillate scales ovate, obtuse to acuminate, 2–4.4(–5.1) × 0.7–1.3 mm, shorter than perigynia, margins erose, apex contracted, scabrous-awned, awn mostly shorter than body. Staminate scales scabrous-awned, sometimes also ciliate-margined. Perigynia ascending, ca. 13–25-veined, veins separated by 3+ times their width, confluent at or proximal to mid beak (except for 2 prominent lateral), narrowly elliptic, 3.1–4.8 × 0.9–1.5(–1.8) mm, herbaceous, apex tapered; beak 0.9–1.8 mm, smooth, bidentulate, teeth straight, 0.4–0.9 mm. Stigmas 3. Achenes yellow to pale brown, trigonous, smooth.
Phenology: Fruiting May–Aug.
Habitat: Stream banks, springheads, seeps, wet meadows
Elevation: 1100–1800 m
Discussion
Selected References
None.