Paspalum malacophyllum |
Paspalum notatum |
|
---|---|---|
rib paspalum |
bahia grass |
|
Habit | Plants perennial; cespitose, sometimes with short rhizomes. | Plants perennial; rhizomatous. |
Culms | 90-200 cm, erect; nodes sunken, glabrous or pubescent, brown. |
20-110 cm, erect; nodes glabrous. |
Sheaths | pubescent; ligules 4-5 mm, membranous, brown, acute; blades 12-40 cm long, 8-35 mm wide, flat or conduplicate, pubescent below, glabrous above, distinctly pubescent basally. |
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 8-25 racemosely arranged branches; branches 1-8 cm, divergent to erect; branch axes 1-1.2 mm wide, margins scabrous, terminating in a spikelet; pedicels 0.2-0.4 and 0.5-1.2 mm long, flattened, 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 | 1.8-2 mm, paired, appressed to or divergent from the branch axes, oblong-elliptic, white 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. |
Glumes | absent; lower lemmas glabrous, ribbed over the veins, sulcate between, 5-veined, margins entire; upper lemmas as long as the lower ones, longitudinally papillose-striate, glabrous, pale-colored. |
|
Lower glumes | absent; upper glumes glabrous, 5-veined; lower lemmas 5-veined, margins inrolled; upper florets light yellow to white. |
|
Caryopses | 2-3 mm, white. |
|
Upper | florets white to stramineous. |
|
2n | = 40, 60. |
= 20, 30, 40. |
Paspalum malacophyllum |
Paspalum notatum |
|
Distribution |
FL; GA; TX |
AL; AR; CA; FL; GA; IL; LA; MS; NC; NJ; OK; SC; TN; TX; VA; HI; PR; Virgin Islands
|
Discussion | Paspalum malacophyllum is native from Mexico to Bolivia and Argentina. It was introduced to the southern United States for forage and soil conservation, and is now established in the southeastern United States, growing in disturbed sites at scattered locations. (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. 584. | FNA vol. 25, p. 575. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Synonyms | P. notatum var. latiflorum, P. notatum var. saurae | |
Name authority | Trin. | Flüggé |
Web links |