Carex sect. Thuringiaca

G. Don in J. Loudon

in J. Loudon, Hort. Brit., 376. 1830.

Treatment appears in FNA Volume 23.
Revision as of 01:05, 30 July 2020 by imported>Volume Importer
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Plants loosely cespitose, long-rhizomatous. Culms redbrown at base. Leaves: basal sheaths not or slightly fibrous; sheath fronts membranous; blades V-shaped in cross-section when young, glabrous. Inflorescences racemose, with 3–6 spikes; proximal bracts leaflike, sheathless or sheath less than 4 mm; lateral spikes pistillate, cylindric, with usually more than 30 perigynia or distal 1–3 spikes staminate, pedunculate, prophyllate; terminal spikes staminate. Proximal pistillate scales with apex acute or acuminate. Perigynia ascending to spreading, 2 strong marginal veins, otherwise veinless, substipitate, elliptic, round or rounded-trigonous in cross-section, less than 10 mm, base rounded, apex rounded, abuptly beaked, puberulent-papillose, glabrous; beak straight, to 0.1 mm, orifice entire. Stigmas 3. Achenes trigonous, smaller than bodies of perigynia; style deciduous, base not conspicuously enlarged.

Distribution

Introduced; Eurasia

Discussion

Species 2–3 (1 in the flora).

Selected References

None.

Lower Taxa

"shortened" is not a number.

... more about "Carex sect. Thuringiaca"
trigonous +
smaller +
puberulent-papillose +
rounded;acuminate;acute +
Lisa A. Standley +
G. Don in J. Loudon +
rounded +
enlarged +
straight +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
v--shaped +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
round +  and trigonous +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
with (1-)3-6(-30) bristles and/or scales +
substipitate +  and veinless +
ascending +  and spreading +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
in J. Loudon, Hort. Brit., +
adventitious +
basal +  and proximal +
2-keeled +
cylindric +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
prophyllate +, pedunculate +  and staminate +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex sect. Thuringiaca +
section +
plant +  and cespitose +