Carex panicea

Linnaeus

Sp. Pl. 2: 977. 1753.

Illustrated
Treatment appears in FNA Volume 23. Treatment on page 430. Mentioned on page 427, 429.

Plants colonial, long-rhizomatous. Culms (0.8–) 14–75 cm, smooth distally. Leaves: proximal sheaths with blades, pale-brown, 3–6 mm thick; ligules 0.4–3.5 (–8.5) mm, usually wider than long; leaf-blades somewhat glaucous, flat, 5.5–33 cm × 1.4–4.7 mm, folded at bases, margins revolute, herbaceous. Inflorescences 3.2–21 cm, 1.7–3.5 (–4.3) times as long as proximal bract; proximal bract (1.3–) 2–9 cm, sheath 0.5–2.4 cm, blade 1.1–7.1 cm; pistillate spikes densely flowered, ovoid to cylindric, 0.8–2.9 cm × 4.5–7.5 mm; lateral spikes erect or ascending on stiff peduncles. Pistillate scales dark reddish purple with hyaline margins, green centers, apex obtuse, centers papillose. Perigynia ascending to spreading, yellowish green to brown, often suffused with reddish purple, broadly obovoid, 2.6–5.1 × 1.4–2.4 mm; beak minute, sharply bent. Achenes pale-brown, 1.8–2.9 × 1.3–1.9 mm. 2n = 32.


Phenology: Fruiting late spring–early summer.
Habitat: Wet to dry, usually sandy, acidic fields
Elevation: 0–20 m

Distribution

V23 789-distribution-map.jpg

Greenland, St. Pierre and Miquelon, N.B., Nfld. and Labr., N.S., Conn., Maine, Mass., N.H., N.Y., R.I., Eurasia

Discussion

Carex panicea is introduced into continental North America and native to Greenland; however, some people believe that the taxon was introduced to the New World by the Vikings.

Selected References

None.

Lower Taxa

None.
... more about "Carex panicea"
0.18 cm1.8 mm <br />0.0018 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
trigonous +
smaller +
1.3mm;1.9mm +
not septate-nodulose +
not +  and beaked +
papillose +  and smooth +
Paul E. Rothrock +  and A. A. Reznicek +
Linnaeus +
shortened +
tapering +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
minute +
0 cm0 mm <br />0 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
m--shaped +
1.1 cm11 mm <br />0.011 m <br /> (?) +  and 7.1 cm71 mm <br />0.071 m <br /> (?) +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
papillose +
purple +  and brown +
round +  and trigonous +
14 cm140 mm <br />0.14 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Greenland +, St. Pierre and Miquelon +, N.B. +, Nfld. and Labr. +, N.S. +, Conn. +, Maine +, Mass. +, N.H. +, N.Y. +, R.I. +  and Eurasia +
0–20 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Wet to dry, usually sandy, acidic fields +
1.7-3.5(-4.3) times as long as proximal bract +
3.2 cm32 mm <br />0.032 m <br /> (21 cm210 mm <br />0.21 m <br />) +
prophyllate +, pedunculate +  and pistillate +
ascending +  and erect +
5.5 cm55 mm <br />0.055 m <br /> (33 cm330 mm <br />0.33 m <br />) +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
usually wider than long +
bidentate +  and entire +
with (1-)3-6(-30) bristles and/or scales +
sessile +  and veined +
suffused with reddish purple +, yellowish green +  and brown +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.51 cm5.1 mm <br />0.0051 m <br />) +
ascending +  and spreading +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
long-sheathing +  and leaflike +
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (9 cm90 mm <br />0.09 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
adventitious +
dark reddish +
basal +  and proximal +
2-keeled +
cylindric +
0.5 cm5 mm <br />0.005 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
Illustrated +
flowered +  and pistillate +
0.8 cm8 mm <br />0.008 m <br /> (2.9 cm29 mm <br />0.029 m <br />) +
ovoid;cylindric +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex panicea +
Carex sect. Paniceae +
species +
plant +  and colonial +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +