Carex sect. Mitratae

Kükenthal in H. G. A. Engler

in H. G. A. Engler, Pflanzenr. 20[IV, 38]: 458. 1909.

Synonyms: Carex sect. Praecoces (H. Christ) Mackenzie
Treatment appears in FNA Volume 23.

Plants not cespitose, long-rhizomatous. Culms brown at base. Leaves: basal sheaths fibrous; sheath fronts membranous; blades V-shaped in cross-section when young, glabrous. Inflorescences racemose, with 2–4 spikes; proximal bracts scalelike to threadlike, sheathless or short-sheathing to 5 mm; lateral spikes pistillate, pedunculate, prophyllate; terminal spike staminate. Proximal pistillate scales with apex obtuse, cuspidate. Perigynia ascending, weakly veined, with 2 distinct marginal veins, stipitate, obovate, rounded-trigonous in cross-section, less than 10 mm, base tapering, apex abruptly beaked, pubescent; beak 0.2 mm, minutely bidentate. Stigmas 3. Achenes trigonous, almost as large as bodies of perigynia, apex prolonged to form collar around base of style; style with persistent, enlarged, conic base.

Distribution

Introduced; Europe, e Asia, Australia

Discussion

Species 20 (1 in the flora).

Selected References

None.

Lower Taxa

"shortened" is not a number.

... more about "Carex sect. Mitratae"
trigonous +
prolonged +
Lisa A. Standley +
Kükenthal in H. G. A. Engler +
persistent +
conic +  and tapering +
enlarged +
bidentate +
0.2 cm2 mm <br />0.002 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 +
Europe +, e Asia +  and Australia +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
with (1-)3-6(-30) bristles and/or scales +
stipitate +  and veined +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
short-sheathing +  and sheathless +
scalelike;threadlike +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
in H. G. A. Engler, Pflanzenr. +
adventitious +
basal +  and proximal +
2-keeled +
cylindric +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +  and deciduous +
2-3(-4)-fid +
Carex sect. Praecoces +
Carex sect. Mitratae +
section +
plant +  and not cespitose +