Paspalum urvillei
Paspalum notatum
Vasey grass, Vasey's grass
bahia grass
50-220 cm, erect;
nodes glabrous or pubescent.
20-110 cm, erect;
nodes glabrous.
glabrous or pubescent;
ligules 1-4(7.7) mm;
blades 12-60 cm long, 2-12 mm wide, flat, mostly glabrous, a few long hairs near the base of the adaxial surface.
glabrous or pubescent;
ligules 0.2-0.5 mm;
blades 5-31 cm long, 2-10 mm wide, flat or conduplicate, glabrous or pubescent.
terminal, with (4)10-30 racemosely arranged branches;
branches 1.2-11.5 cm, divergent;
branch axes 0.5-1.1 mm wide, winged, glabrous, margins scabrous, terminating in a spikelet.
terminal, usually composed of a digitate pair of branches, 1-3 additional branches sometimes present below the terminal pair;
branches 3-15 cm, diverging to erect;
branch axes 0.7-1.8 mm wide, narrowly winged, glabrous, margins scabrous, terminating in a spikelet, distal spikelets sometimes reduced.
1.8-2.8 mm long, 1.1-1.5 mm wide, paired, appressed to the branch axes, elliptic to slightly obovate, stramineous (rarely purple).
2.5-4 mm long, 2-2.8 mm wide, solitary, appressed to the branch axes, broadly elliptic to ovate or obovate, glabrous, light stramineous to white, apices obtuse to broadly acute.
1.2-1.7 mm, white.
2-3 mm, white.
glumes absent;
upper glumes and lower lemmas 3-veined, margins pilose;
upper florets stramineous.
glumes absent;
upper glumes glabrous, 5-veined;
lower lemmas 5-veined, margins inrolled;
upper florets light yellow to white.
= 40.
= 20, 30, 40.
Paspalum urvillei
Paspalum notatum
Paspalum urvillei has been introduced to the United States from South America. In the Flora region it grows in disturbed, moist to wet areas, primarily in the southeastern United States.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Paspalum notatum is native from Mexico through the Caribbean and Central America to Brazil and northern Argentina. It was introduced to the United States for forage, turf, and erosion control. It is now established, generally being found in disturbed areas and at the edges of forests in the southeastern United States.
Paspalum notatum is sometimes treated as having distinct varieties. They are not recognized here because the variation among them is continuous. A number of cultivars have been developed for use as turf grasses; among these cultivars are 'Common Bahiagrass', 'Pensacola Bahiagrass', and 'Argentine Bahiagrass'.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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