Flora of North America species comparison

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Axonopus compressus

broadleaf carpetgrass
Habit Plants stoloniferous, rarely rhizomatous, rhizomes, when present, 3-5 cm.
Culms

7-80 cm;

nodes glabrous or pubescent.
Sheaths

keeled, strongly compressed, pubescent;

ligules 0.3-0.5 mm;

blades 3-20 mm wide, glabrous or sparsely pilose, midveins often white and prominent, apices frequently ciliate or pubescent.
Panicles

terminal and axillary, 4-10 cm overall, rachises to 3.5 cm, with 2-5 branches;

branches 1-13 cm.
Spikelets

2-3.5 mm, ovoid, ellipsoid, or lanceoloid, acuminate.
Upper glumes

and lower lemmas extending beyond the upper florets, 2-5-veined, marginal veins pilose, apices acute to acuminate;

upper lemmas and paleas 1.5-1.8 mm, broadly ellipsoid.
Caryopses

1.2-1.5 mm, gray.
2n

= 40, 60, 80.

Axonopus compressus
Distribution
from FNA
AL; AR; FL; GA; LA; SC; TX; PR; Virgin Islands
[WildflowerSearch map]
[BONAP county map]
Discussion

Axonopus compressus is native from the southeastern United States to Bolivia, Brazil, and Uruguay, and has become established in the Eastern Hemisphere. It is used as a lawn and forage grass but is also weedy, readily growing in moist, disturbed habitats.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 566. Treatment author: Mary E. Barkworth.
Parent taxa Poaceae > subfam. Panicoideae > tribe Paniceae > Axonopus
Sibling taxa
A. fissifolius, A. furcatus, A. scoparius
Name authority (Sw.) P. Beauv.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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