Difference between revisions of "Carex swanii"

(Fernald) Mackenzie

Bull. Torrey Bot. Club 37: 246. 1910.

Common names: Carex de Swan
Basionym: Carex virescens var. swanii Fernald Rhodora 8: 183. 1906
Treatment appears in FNA Volume 23. Mentioned on page 483.
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|name=Carex virescens var. swanii
 
|name=Carex virescens var. swanii
 
|authority=Fernald
 
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|rank=variety
 
|publication_title=Rhodora
 
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name=Carex swanii
 
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|publication year=1910
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_889.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_889.xml
 
|genus=Carex
 
|genus=Carex
 
|section=Carex sect. Porocystis
 
|section=Carex sect. Porocystis

Revision as of 20:12, 16 December 2019

Culms 15–75 cm, sparsely pilose. Leaves: ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral spikes 5–15(–19) × 2–4 mm, proximal distant; terminal spike gynecandrous, at least 1/2 flowers pistillate, (5–)11–20 mm. Pistillate scales ovate, 1.3–2.4 × 0.6–1.4 mm, apex acute to acuminate, with awn to 0.5 mm, as long as perigynia. Staminate scales ovate, 2.4–4.1 mm, apex obtuse to acuminate. Anthers 0.7–1.3(–1.6) mm. Perigynia ascending, obscurely 5–13-veined, obovate-circular, trigonous in cross section, 1.7–2.4 × 1–1.5 mm, densely pilose; beak absent. Achenes 1.4–1.8 × 0.8–1.1 mm. 2n = 54.


Phenology: Fruiting late spring–early summer.
Habitat: Dry to wet-mesic forests, scrub
Elevation: 0–1000 m

Distribution

V23 889-distribution-map.jpg

N.B., N.S., Ont., Que., Ark., Conn., Del., D.C., Ga., Ill., Ind., Ky., Maine, Mass., Md., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex swanii"
Peter W. Ball +
(Fernald) Mackenzie +
Carex virescens var. swanii +
Carex de Swan +
N.B. +, N.S. +, Ont. +, Que. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Ky. +, Maine +, Mass. +, Md. +, Mich. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1000 m +
Dry to wet-mesic forests, scrub +
Fruiting late spring–early summer. +
Bull. Torrey Bot. Club +
Carex sect. Virescentes +
Carex swanii +
Carex sect. Porocystis +
species +