USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Aquatic and Wetland Vascular Plants of the Northern Great Plains

63. Poaceae, the Grass Family

24. Polypogon Desf.

1. Polypogon monspeliensis (L.) Desf. -- Rabbitfoot beardgrass

Tufted annual 1-5(8) dm tall; culms erect or decumbent at the base. Leaves flat, 3-7 mm wide, scaberulous; sheaths glabrous, the ligule membranous, elongate, 2-7 mm long. Panicle ovoid-cylindric to cylindric, rather dense and spikelike, (1)3-8(15) cm long. Spikelets 1-flowered, 2 mm long (excluding awns of the glumes), tawny at maturity, disarticulating below the glumes; glumes equal, awned from the 2-lobed apex, hispidulous, 1-nerved, the awn 4-8 mm long; lemma much smaller than the glumes, 0.7-1 mm long, scarious, translucent and shiny, 1-nerved, erose at the apex, with a fragile awn about as long as or longer than the lemma body; palea about as long as the lemma and of the same texture. Grain golden-brown, ellipsoid, slightly smaller than the lemma, often retained inside the lemma and palea when shed. Jul--Sep. Wet sand or mud of stream banks, shores and around springs; occasional mainly in the w and s parts of our region; (Intro. from Europe, ranging from N.B. to AK, s to GA, OK, TX and CA; also C. and S.Amer.).
GIF- Species Photo/Drawing
GIF- Distribution Map

Map key

Polypogon monspeliensis (from Hitchcock 1950).  

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:45:11 EST
Sioux Falls, SD [sdww55]