Carex sect. Capituligerae

Kükenthal

Bot. Jahrb. Syst. 27: 495. 1899.

Treatment appears in FNA Volume 23.

Plants cespitose, short-rhizomatous. Culms red-purple at base. Leaves: basal sheaths not or slightly fibrous; sheath fronts membranous; blades filiform, glabrous. Inflorescence a single spike; bracts absent; spike androgynous. Proximal pistillate scales with apex obtuse. Perigynia eventually spreading, adaxial face veinless, abaxial face weakly few-veined, narrowly to broadly ovate, planoconvex in cross-section, 2–4 (–4.5) mm, base tapering, margins acutely angled, apex tapering or abruptly beaked, not glossy, glabrous; beak 0.3–1 mm, with abaxial suture, entire or bidentate. Stigmas 2. Achenes biconvex, smaller than bodies of perigynia; style deciduous.

Distribution

North America and Eurasia with austral disjuncts or vicariants

Discussion

Species 1–3 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Carex sect. Capituligerae"
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
planoconvex +  and ovate +
biconvex +
smaller +
David F. Murray +
Kükenthal +
shortened +
tapering +
bidentate +  and entire +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
filiform +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
round +  and trigonous +
North America and Eurasia with austral disjuncts or vicariants +
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 +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Bot. Jahrb. Syst. +
adventitious +
basal +  and proximal +
2-keeled +
cylindric +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex sect. Capituligerae +
section +
plant +  and cespitose +