Difference between revisions of "Carex michauxiana"
Linnaea 41: 336. 1877.
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|common_names=Carex de Michaux | |common_names=Carex de Michaux | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Carex rostrata | |name=Carex rostrata | ||
|authority=Michaux | |authority=Michaux | ||
| + | |publication_title=Fl. Bor.-Amer. | ||
| + | |publication_place=2: 173. 1803, | ||
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|publication year=1877 | |publication year=1877 | ||
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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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_962.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Rostrales | |section=Carex sect. Rostrales | ||
Revision as of 19:10, 24 September 2019
Culms obtusely trigonous in cross section, 15–70 cm, smooth. Leaves: ligules 1.2–3 mm, wider than long; blades yellowish green, M-shaped to flat, widest leaves 1.6–3.5(–4.2) mm wide, smooth abaxially, minutely papillose adaxially, especially distally. Inflorescences 1.8–18 cm; bract sheaths with apex concave; proximal (1–)2–3(–4) spikes pistillate, distal spikes erect, aggregated or the proximal sometimes remote, ovoid. Pistillate scales narrowly ovate, mostly 1/3–2/3 length of perigynia, apex acute. Anthers 1.1–2.7 mm. Perigynia spreading or the proximal somewhat reflexed, yellowish green, 20–26-veined, essentially uninflated, lanceolate, 8.7–12.1 × 1.3–2.1 mm, 4–7 times as long as wide, apex tapered, bidentulate; beak absent. Achenes 2.2–3 × 1.2–1.7 mm.
Phenology: Fruiting late spring–summer.
Habitat: Bogs, fens, lakeshores, stream banks, open seeps, in sandy or peaty, often acidic soils
Elevation: 0–1000 m
Distribution
St. Pierre and Miquelon, Man., N.B., Nfld. and Labr., N.S., Ont., Que., Sask., Maine, Md., Mass., Mich., Minn., N.H., N.Y., Vt., Wis.
Discussion
Carex michauxiana is closely related to the east Asian C. dolichocarpa C. A. Meyer ex V. I. Kreczetowicz.
Selected References
None.