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Aquatic and Wetland Vascular Plants of the Northern Great Plains

Fimbristylis Vahl

Grasslike annuals and perennials; culms tufted or solitary, slender. Leaves mainly basal, narrowly linear, flat to involute, with or without a ligule of short hairs. Inflorescence a terminal umbel or cyme of spikelets, with 1 or 2 spikelets sessile, subtended by an involucre of 2 or 3 short, leaflike bracts; spikelets several to many, ovoid to oblong-lanceolate, many-flowered; scales spirally arranged and imbricate in the spikelets, all floriferous. Flowers perfect; perianth lacking; stamens (1)2-3; styles bifid or trifid, swollen at the base above the attachment to the achene, readily deciduous. Achenes lenticular or trigonous, obovoid, smooth to reticulate.

Reference:  

Kral, R.  1971.  A treatment of Abildgaardia, Bulbostylis and 
     Fimbristylis (Cyperaceae) for North America.  Sida 4:57-227.

Lead	Characteristic	Go To
1	Achenes trigonous; styles trifid; plants annual.	F. autumnalis
1	Achenes lenticular; styles bifid; plants perennial.	F. puberula

62. Cyperaceae, the Sedge Family

7. Fimbristylis Vahl

1. Fimbristylis autumnalis (L.) R. & S.

2. Fimbristylis puberula (Michx.) Vahl

Return to Family -- Cyperaceae - The Sedge Family
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