Skip Navigation
Sign In
  • Home
  • Search
    • Search Collections
    • Map Search
  • Chicago Botanic Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Denver Botanic Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Desert Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • NY Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Marie Selby Botanical Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Sitemap

Cyperus alopecuroides

Cyperus alopecuroides Rottb.  
Family: Cyperaceae
Fox-Tail Flat Sedge
[Juncellus alopecuroides (Rottb.) C.B. Clarke]
Cyperus alopecuroides image
  • FNA
  • Resources
Gordon C. Tucker*, Brian G. Marcks* & J. Richard Carter * in Flora of North America (vol. 23)
Herbs, perennial, rhizomatous, coarse. Culms trigonous, 150-250 cm × 2-15 mm, glabrous. Leaves inversely W-shaped, 30-150 cm × 6-22 mm. Inflorescences: spikes 1-4, cylindric, 1.5-4 cm × 7-15 mm; rays 3-9, 10-26 cm; 2d order rays 2-11 cm; 3d order rays 1-4 cm (or absent); bracts 3-5, ± horizontal, 20-100 cm × 3-15 mm; 2d order bracts 2-7 cm × 2-7 mm; 3d order bracts 2-5 cm × 2-4 mm (or absent); rachilla persistent, wingless or wing hyaline, narrow, 0.1 mm wide. Spikelets 50-100, linear, ± quadrangular, slightly compressed, 8-11 × 0.9-1.2 mm; floral scales 15-30, marginally clear, laterally reddish along midrib, medially green, laterally 3-4 ribbed, medially 3-5-ribbed, ovate, 1-2-1.6 × 1.1-1.3 mm, apex mucronulate. Flowers: anthers 2, 0.4-0.5 mm; styles 0.8-1 mm; stigmas 2, 0.4 mm. Achenes dark brown, sessile, ellipsoid to obovoid, 0.9 × 0.4-0.5 mm, surfaces finely puncticulate.

Fruiting summer. Pond shores, stream banks; 0-30 m; introduced; Fla.; West Indies; Asia; Africa; Australia.

Cyperus alopecuroides has been introduced in Polk County, Florida.

Plants of Cyperus alopecuroides might be confused with C. digitatus; large size and the biconvex achenes with two stigmas characterize C. alopecuroides.

Cyperus alopecuroides
Open Interactive Map
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Mel Duvall
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
University of Florida Herbarium
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Cyperus alopecuroides image
Click to Display
89 Total Media
Institute for Museum and Library Services KU BI Logo Logo for the Biodiversity Knowledge Integration Center

This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

EcoFlora is part of the SEINet Portal Network. Learn more here.

Powered by Symbiota.