familyCyperaceae
genusCymophyllus
Show Lower Taxa
Difference between revisions of "Cymophyllus"
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. 2, 1: 441. 1913.
Etymology: Greek kyma, wave, and phyll, leaf, in reference to the undulate-margined leaves
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Revision as of 19:07, 24 September 2019
Herbs, perennial, cespitose, evergreen. Culms compressed or terete. Leaves basal, bladeless; proximal sheaths 4–6, whitish to straw colored, disintegrating at maturity, distal 1(–2, rarely), blade flat, formed from open, elongated sheath, without ligule or evident midvein, usually 2–5 cm wide. Inflorescences terminal, single spike; bracts spirally arranged, each subtending flower, scalelike. Spikelets 1-flowered; scales 0–1. Flowers unisexual; staminate flowers without scales; pistillate flowers with 1 scale enclosing flower (perigynium), open only at apex; perianth absent; stamens 3; styles deciduous, linear, 3-fid. Achenes sharply trigonous.
Distribution
e North America.
Discussion
Species 1.