Difference between revisions of "Carex flacca"
Spic. Fl. Lips., 178. 1771.
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|name=Carex glauca | |name=Carex glauca | ||
|authority=Scopoli | |authority=Scopoli | ||
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|hierarchy=Cyperaceae;Carex;Carex sect. Thuringiaca;Carex flacca | |hierarchy=Cyperaceae;Carex;Carex sect. Thuringiaca;Carex flacca | ||
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name=Carex flacca | name=Carex flacca | ||
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|authority=Schreber | |authority=Schreber | ||
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|publication year=1771 | |publication year=1771 | ||
|special status= | |special status= | ||
| − | |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_767.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Thuringiaca | |section=Carex sect. Thuringiaca | ||
Revision as of 21:11, 16 December 2019
Culms obtusely trigonous, to 35 cm × 1.5 mm, scabrous distally. Leaves: sheaths with blades, to 2 cm, rough, fronts spotted red-brown apically, ladder-fibrillose, orifice red-brown, slightly prolonged beyond blade and sheath, leathery; blades 35 cm × 3 mm, margins rough; proximal blades blue-green, densely papillose. Inflorescences to 10 cm; peduncle of staminate spike to 2.5 cm; proximal bracts about equaling inflorescences; staminate spikes 1–3; pistillate spikes 2–3, to 4 cm × 4 mm. Scales red-brown with green midrib and hyaline margins, obovate, apex obtuse or with short mucro to 0.3 mm, equaling perigynia and narrower. Anthers to 2.5 mm. Perigynia ascending, green, spotted red-brown on distal 1/2, sessile, 2.2 × 1.4 mm; beak orifice purple-brown, glabrous. Achenes brown, 1.6 × 1.1 mm.
Phenology: Fruiting Jul.
Habitat: Abandoned quarries, ditches, marshes, wet forest edges
Elevation: 0–800 m
Distribution
N.S., Ont., Que., Mich., N.Y., Europe, introduced New Zealand.
Discussion
Carex flacca occurs throughout Europe, especially on calcium-rich soils. It is sparsely introduced in North America, but appears to be increasing. The species is superficially similar to and may be mistaken in the field for one of the smaller species of sect. Phacocystis.
Selected References
None.