Carex tuckermanii

Dewey

Amer. J. Sci. Arts 49: 48, plate Ff, fig. 117. 1845.

Common names: Carex de Tuckerman
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 506. Mentioned on page 502, 505.

Plants cespitose; rhizomes short or inconspicuous. Culms trigonous in cross-section, 40–120 cm, smooth distally. Leaves: basal sheaths reddish purple; ligules as wide to slightly longer than wide; blades dark green, flat to W-shaped, 2–5 mm wide, glabrous. Inflorescences 10–35 cm; proximal bract 25–70 cm, exceeding inflorescence; proximal (1–) 2–3 (–4) spikes pistillate, erect or the proximal spreading or pendent, cylindric; terminal 1–3 spikes staminate. Pistillate scales narrowly ovate, 3.9–5.2 × 1.2–2.4 mm, shorter than perigynia, margins entire, apex acute, awnless. Perigynia ascending, often green or straw colored, strongly 7–12-veined, veins running to beak, broadly elliptic, 7.5–12.5 × (4–) 4.5–7 mm, apex contracted; beak 2.4–4.8 mm, smooth, bidentate, teeth straight, 0.7–1.9 mm. Stigmas 3. Achenes brown, trigonous, asymmetric, deeply indented on 1 face, smooth.


Phenology: Fruiting Jun–Aug.
Habitat: Deciduous swamp forests, thickets, often along streams or pond shores, wet meadows
Elevation: 0–500 m

Distribution

V23 940-distribution-map.jpg

N.B., Ont., Que., Conn., Ind., Maine, Md., Mich., Minn., N.Y., Ohio, Pa., Vt., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex tuckermanii"
indented;trigonous +
not papillose +
A. A. Reznicek +  and Bruce A. Ford +
shortened +
not +  and fibrous +
truncate +  and rounded +
Vesicariae +
bidentate +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
flat +  and w-shaped +
2mm;5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex de Tuckerman +
brown +, reddish-brown +  and reddish purple +
trigonous +
40 cm400 mm <br />0.4 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
N.B. +, Ont. +, Que. +, Conn. +, Ind. +, Maine +, Md. +, Mich. +, Minn. +, N.Y. +, Ohio +, Pa. +, Vt. +  and Wis. +
0–500 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Deciduous swamp forests, thickets, often along streams or pond shores, wet meadows +
10 cm100 mm <br />0.1 m <br /> (35 cm350 mm <br />0.35 m <br />) +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
as wide to slightly longer than wide +
with (1-)3-6(-30) bristles and/or scales +
straw colored +  and green +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Fruiting Jun–Aug. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
short-sheathed +, sheathless +  and leaflike +
pendent;spreading +
25 cm250 mm <br />0.25 m <br /> (70 cm700 mm <br />0.7 m <br />) +
Amer. J. Sci. Arts +
inconspicuous +
adventitious +
green +  and dark-brown +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
basal +  and proximal +
1.2mm;2.4mm +
septate-nodulose +
Illustrated +  and Endemic +
staminate +  and pistillate +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +
2-3(-4)-fid +
Carex tuckermanii +
Carex sect. Vesicariae +
species +
straight +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.75 cm7.5 mm <br />0.0075 m <br /> (1.25 cm12.5 mm <br />0.0125 m <br />) +
4.5mm +  and 7mm +
plant +  and cespitose +