Carex gynandra

Schweinitz

Ann. Lyceum Nat. Hist. New York 1: 70. 1824.

Common names: Carex gynandre
IllustratedEndemic
Synonyms: Carex crinita var. gynandra (Schweinitz) Schweinitz & Torrey Carex crinita var. simulans Fernald Carex gynandra var. simulans (Fernald) Rolland-Germain
Treatment appears in FNA Volume 23. Treatment on page 387. Mentioned on page 380, 386, 486.

Plants cespitose. Culms acutely angled, 45–140 cm, scabrous. Leaves: basal sheaths redbrown or brown; sheaths of proximal leaves bladeless, scabrous, fronts redbrown to copper-brown, spots absent, indistinctly ladder-fibrillose; blades 12–55 cm × 4–10.5 mm. Inflorescences: peduncle of proximal spike 0.6–6.1 cm; proximal bract longer than inflorescence, 1.9–9.5 mm wide. Spikes 2–5 pistillate, 1–3 staminate, pendent; proximal pistillate spike 2.4–10.4 cm × 3–8.4 mm, base cuneate to acuminate. Pistillate scales pale-brown to copper-brown, 3.1–8.2 mm (including awn), midvein reaching apex, apex of body acuminate or, rarely, truncate, awned. Perigynia ascending, pale-brown, 0–5-veined abaxially, scarcely inflated, loosely enclosing achenes, ovoid to ellipsoid, 1.9–4.2 × 1.1–2.3 mm, dull, apex acute or obtuse, glabrous; beak 0.1–0.3 mm. Achenes variously constricted. 2n = 66, 68.


Phenology: Fruiting Jun–Aug.
Habitat: Swamps, floodplain forests, wet meadows, marshes, bogs, stream edges, margins of lakes and ponds, roadside ditches
Elevation: 0–2100 m

Distribution

V23 684-distribution-map.jpg

St. Pierre and Miquelon, N.B., N.S., Nunavut, Ont., P.E.I., Que., Conn., Ga., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Carex gynandra"
biconvex +
constricted +
awned +  and truncate +
, +  and papillose +
obtuse;acute;,;acuminate +
Lisa A. Standley +, Jacques Cayouette +  and Leo Bruederle +
Schweinitz +
not +  and fibrous +
cuneate +  and acuminate +
bidentate +  and emarginate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
12 cm120 mm <br />0.12 m <br /> (55 cm550 mm <br />0.55 m <br />) +
m--shaped +  and v--shaped +
0.4 cm4 mm <br />0.004 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex gynandre +
redbrown +  and brown +
45 cm450 mm <br />0.45 m <br /> (140 cm1,400 mm <br />1.4 m <br />) +
prophyllate +, subsessile +, pedunculate +  and staminate +
St. Pierre and Miquelon +, N.B. +, N.S. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Conn. +, Ga. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–2100 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
redbrown +  and copper-brown +
biconvex +  and trigonous +
Swamps, floodplain forests, wet meadows, marshes, bogs, stream edges, margins of lakes and ponds, roadside ditches +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.6 cm6 mm <br />0.006 m <br /> (6.1 cm61 mm <br />0.061 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Fruiting Jun–Aug. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
short-sheathing +, sheathless +  and leaflike +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
Ann. Lyceum Nat. Hist. New York +
adventitious +
pale-brown +  and copper-brown +
basal +  and proximal +
2-keeled +
0.31 cm3.1 mm <br />0.0031 m <br /> (0.82 cm8.2 mm <br />0.0082 m <br />) +
ladder-fibrillose +  and veined +
cylindric +
Illustrated +  and Endemic +
pistillate +  and staminate +
2.4 cm24 mm <br />0.024 m <br /> (10.4 cm104 mm <br />0.104 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.84 cm8.4 mm <br />0.0084 m <br />) +
ladder-fibrillose +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex crinita var. gynandra +, Carex crinita var. simulans +  and Carex gynandra var. simulans +
Carex gynandra +
Carex sect. Phacocystis +
species +
, +  and staminate +
plant +  and cespitose +