Carex tenera var. echinodes

(Fernald) Wiegand

Rhodora 26: 2. 1924.

IllustratedEndemic
Basionym: Carex straminea var. echinodes Fernald Proc. Amer. Acad. Arts 37: 474, plate 2, fig. 30. 1902
Treatment appears in FNA Volume 23. Treatment on page 371. Mentioned on page 370, 372.

Leaf-sheaths smooth. Perigynium beak squarrose-spreading, 3.9–4.6 mm, exceeding pistillate scales 0.7–1.6 mm.


Phenology: Fruiting late spring–early summer.
Habitat: Rich, moist woods
Elevation: 100–300 m

Distribution

V23 656-distribution-map.jpg

Man., Ont., Ill., Ind., Iowa, Mich., Minn., Mo., Nebr., N.Dak., Ohio, S.Dak., Wis.

Discussion

In contrast to the widespread typical variety, Carex tenera var. echinodes occurs in moister habitats and has a more southernly center of distribution.

Selected References

None.

Lower Taxa

None.

"narrower" is not a number."+timesaslongasinflorescences" is not declared as a valid unit of measurement for this property."not undefined" is not a number."thin" is not a number.

56 +, 54 +  and 52 +
smaller +
0.5 +  and 1.3-1.7×0.85-1.1 +
bidentatate +
papillose +
Joy Mastrogiuseppe +, Paul E. Rothrock +, A. C. Dibble +  and A. A. Reznicek +
(Fernald) Wiegand +
shortened +
persistent +
clavate +  and tapered +
not enlarged +
Carex straminea var. echinodes +
ascending +, appressed +  and spreading +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
15 cm150 mm <br />0.15 m <br /> (35 cm350 mm <br />0.35 m <br />) +
3 (?) +  and 5 (?) +
v--shaped +
1.3mm;2.5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
inconspicuous +
fertile +  and vegetative +
round +  and trigonous +
20 cm200 mm <br />0.2 m <br /> (90 cm900 mm <br />0.9 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Man. +, Ont. +, Ill. +, Ind. +, Iowa +, Mich. +, Minn. +, Mo. +, Nebr. +, N.Dak. +, Ohio +, S.Dak. +  and Wis. +
100–300 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Rich, moist woods +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not prophyllate +, sessile +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.1mm +  and 0.5mm +
green +  and brown +
with (1-)3-6(-30) bristles and/or scales +
3-7-veined +, veinless +  and 5-7-veined +
squarrose-spreading +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
erect +  and ascending +
0 cm0 mm <br />0 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
0.4mm +  and 0.5mm +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
sheathless +  and bristlelike +
0-1(-4) cm;scale-like +
0.7 cm7 mm <br />0.007 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
adventitious +
pale-brown +  and white-hyaline +
basal +  and proximal +
2-keeled +
herbaceous +  and membranous +
not differentiated +
cylindric +
Illustrated +  and Endemic +
aggregated +  and distant +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
ovoid;globose +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +  and persistent +
2-3(-4)-fid +
prolonged +
papillose +
u--shaped +
0 cm0 mm <br />0 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Carex tenera var. echinodes +
Carex tenera +
variety +
ciliate-serrulate +
plant +  and cespitose +