Paspalum pubiflorum |
Paspalum notatum |
|
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hairyseed paspalum |
bahia grass |
|
Habit | Plants perennial; usually decumbent, rooting at the nodes. | Plants perennial; rhizomatous. |
Culms | 30-130 cm, decumbent; nodes glabrous or pubescent. |
20-110 cm, erect; nodes glabrous. |
Sheaths | glabrous or pubescent; ligules 1-3.2 mm; blades to 31 cm long, 4-18 mm wide, flat, glabrous, with a few hairs behind the ligules. |
glabrous or pubescent; ligules 0.2-0.5 mm; blades 5-31 cm long, 2-10 mm wide, flat or conduplicate, glabrous or pubescent. |
Panicles | terminal, with 2-7 racemosely arranged branches; branches 2.2-7.9 cm, divergent to spreading, terminating in a spikelet; branch axes 1.1-2.3 mm wide, narrowly winged, glabrous, margins scabrous. |
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. |
Spikelets | 2.8-3.6 mm long, 1.5-2 mm wide, paired, imbricate, appressed to divergent from the branch axes, elliptic to obovate, pubescent or glabrous, light brown to stramineous. |
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. |
Lower glumes | absent; upper glumes and lower lemmas glabrous or sparsely pubescent, hairs shorter than 0.1 mm, 3-veined, margins entire; lower lemmas lacking ribs over the veins; upper florets stramineous. |
absent; upper glumes glabrous, 5-veined; lower lemmas 5-veined, margins inrolled; upper florets light yellow to white. |
Caryopses | 1.8-2 mm, golden brown or white. |
2-3 mm, white. |
2n | = 60, ca. 64. |
= 20, 30, 40. |
Paspalum pubiflorum |
Paspalum notatum |
|
Distribution |
AL; AR; CO; DC; FL; GA; IL; IN; KS; KY; LA; MD; MO; MS; NC; OH; OK; PA; SC; TN; TX; VA; WV
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AL; AR; CA; FL; GA; IL; LA; MS; NC; NJ; OK; SC; TN; TX; VA; HI; PR; Virgin Islands
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Discussion | Paspalum pubiflorum grows on the edges of forests and in disturbed areas. It is native to the southeastern United States, Mexico, and Cuba. (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.) |
Source | FNA vol. 25, p. 597. | FNA vol. 25, p. 575. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Synonyms | P. pubiflorum var. glabrum, P. geminum | P. notatum var. latiflorum, P. notatum var. saurae |
Name authority | Rupr. ex E. Fourn. | Flüggé |
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