Difference between revisions of "Carex sect. Chordorrhizae"

(Heuffel) Meinshausen

Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 2. 1901.

Basionym: Chordorrhizae Heuffel Flora 27: 529. 1844
Treatment appears in FNA Volume 23.
FNA>Volume Importer
FNA>Volume Importer
Line 10: Line 10:
 
|name=Chordorrhizae
 
|name=Chordorrhizae
 
|authority=Heuffel
 
|authority=Heuffel
 +
|rank=unranked
 
|publication_title=Flora
 
|publication_title=Flora
 
|publication_place=27: 529. 1844
 
|publication_place=27: 529. 1844
Line 46: Line 47:
 
|publication year=1901
 
|publication year=1901
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_518.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_518.xml
 
|genus=Carex
 
|genus=Carex
 
|section=Carex sect. Chordorrhizae
 
|section=Carex sect. Chordorrhizae

Revision as of 20:09, 16 December 2019

Plants not cespitose, short-rhizomatous, long-stoloniferous. Culms brown at base. Leaves: basal sheaths not fibrous; sheath fronts membranous; blades M-shaped in cross section when young, widest more than 1 mm wide, glabrous. Inflorescences capitate or short-ovoid; bracts scalelike, sheathless; spikes 2–7, androgynous, sessile, without prophylls. Proximal pistillate scales with apex obtuse to short-acuminate. Perigynia ascending, strongly veined on both faces, stipitate, oblong-ovate to broadly elliptic, plano-convex to unequally biconvex in cross section, 2–4(–4.5 mm), base rounded, with spongy tissue, margins rounded, apex rounded, abruptly beaked, glabrous; beak 0.3–0.6 mm, less than 1/5 length of body, with abaxial suture, entire or sparsely serrulate, emarginate. Stigmas 2. Achenes biconvex, only slightly smaller than bodies of perigynia; style deciduous.

Distribution

North America, Eurasia.

Discussion

Species 1.

Selected References

None.

Lower Taxa