Carex tonsa var. tonsa

Common names: Carex à fruits glabres
Treatment appears in FNA Volume 23. Treatment on page 539. Mentioned on page 536.

Leaf-blades pale green, often relatively short, coriaceous, smooth or slightly scabrous adaxially. Perigynia with few hairs near base of beak, otherwise glabrous. 2n = 32.


Phenology: Fruiting mid Apr–early Jul.
Habitat: Open, dry, sandy fields, pine and oak barrens, savannas, dunes, roadsides, ridges
Elevation: 50–1000 m

Distribution

V23 1012-distribution-map.jpg

Alta., B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., D.C., Ill., Ind., Maine, Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex tonsa var. tonsa"
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
trigonous;ellipsoid;obovoid +
1.2mm;1.6mm +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
beaked +, awned +  and cuspidate +
reddish-brown tinge +
glabrous +  and pubescent +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
William J. Crins +  and Jeff H. Rettig +
(Fernald) E. P. Bicknell +
shortened +
rounded +  and tapering +
Carex umbellata var. tonsa +
ciliate-serrulate +, smooth +  and 2-edged +
straight +
bidentate +  and bent +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
v--shaped +
2mm;4.5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex à fruits glabres +
brown +  and red +
round +  and trigonous +
4 cm40 mm <br />0.04 m <br /> (16 cm160 mm <br />0.16 m <br />) +
Alta. +, B.C. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, D.C. +, Ill. +, Ind. +, Maine +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +  and Wis. +
50–1000 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Open, dry, sandy fields, pine and oak barrens, savannas, dunes, roadsides, ridges +
prophyllate +, pedunculate +, staminate +, , +  and pistillate +
strongly scabrous;papillose +
exceeding stems +  and equaling +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
with (1-)3-6(-30) bristles and/or scales +
green +  and pale-brown +
0.31 cm3.1 mm <br />0.0031 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
Fruiting mid Apr–early Jul. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Bull. Torrey Bot. Club +
brown +  and reddish-brown +
ascending +  and erect +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
adventitious +
staminate +  and pistillate +
pale-brown +  and reddish-brown +
0.42 cm4.2 mm <br />0.0042 m <br /> (0.54 cm5.4 mm <br />0.0054 m <br />) +
basal +  and proximal +
ovate;ovate +
exceeding perigynia +  and equaling +
1.2mm;2.1mm +
cylindric +
Illustrated +  and Endemic +
staminate +  and pistillate +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.13 cm11.3 mm <br />0.0113 m <br />) +
stout +  and slender +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex rugosperma var. tonsa +
Carex tonsa var. tonsa +
Carex tonsa +
variety +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
stoloniferous +  and rhizomatous +
plant +  and cespitose +