Difference between revisions of "Carex sect. Leptocephalae"

L. H. Bailey

Proc. Amer. Acad. Arts 22: 131. 1886.

Synonyms: Carex sect. Polytrichoideae (Tuckerman) Mackenzie
Treatment appears in FNA Volume 23.
FNA>Volume Importer
FNA>Volume Importer

Revision as of 20:07, 24 September 2019

Plants cespitose, short-rhizomatous. Culms brown at base. Leaves: basal sheaths not fibrous; sheath fronts membranous; blades V-shaped in cross section when young, glabrous. Inflorescence 1 spike per culm; bracts absent; spike androgynous. Proximal pistillate scales less than 10 mm, apex obtuse to acute or short-awned. Perigynia appressed-ascending, weakly veined, substipitate, elliptic to narrowly oblong, rounded- or flattened-trigonous in cross section, base long tapering, apex rounded or truncate, orifice entire or emarginate, glabrous; beak absent. Stigmas 3. Achenes obtusely to sharply trigonous, smaller than bodies of perigynia; style deciduous.

Distribution

North America, West Indies.

Discussion

Species 1.

Selected References

None.

Lower Taxa