Paspalum conjugatum |
Paspalum convexum |
|
---|---|---|
herbe creole, Hilo grass, muhsrasre, rehn wei, sour grass, sour paspalum, ti grass |
Latin American crowngrass, Mexican paspalum |
|
Habit | Plants perennial; stoloniferous. | Plants annual. |
Culms | 15-80 cm, erect; nodes glabrous. |
10-53 cm, erect; nodes glabrous. |
Sheaths | glabrous, pubescent distally; ligules 0.5-0.8 mm; blades 7-23 cm long, 1.5-8 mm wide, flat. |
pubescent or glabrous; ligules 2-4.1 mm; blades 5-25(80) cm long, 2.9-10.2(12) mm wide, flat. |
Panicles | terminal, usually composed of a pair of branches, a third branch sometimes present below the terminal pair; branches 2.5-12.7 cm, diverging to spreading, often arcuate, persistent; branch axes 0.2-0.8 mm wide, glabrous, margins scabrous, terminating in a reduced spikelet. |
terminal, with 1-5 racemosely arranged branches; branches 1.1-5.4(7) cm, divergent; branch axes 0.8-1.3 mm wide, not or narrowly winged, glabrous, terminating in a spikelet. |
Spikelets | 1.3-1.9 mm long, 0.8-1.1 mm wide, solitary, appressed to the branch axes, ovate, stramineous. |
2.1-2.6 mm long, 1.7-2.4 mm wide, paired, appressed to the branch axes, broadly obovate to suborbicular, shortly pubescent, light to dark brown. |
Lower glumes | absent; upper glumes pilose on the margins, veinless or 2-3-veined; lower lemmas glabrous, veinless or 2-3-veined; upper florets whitish to golden yellow. |
absent; upper glumes and lower lemmas shortly pubescent, 5-7-veined, margins entire; lower paleas rarely present; upper florets dark glossy brown. |
Caryopses | 0.9-1.1 mm, white to yellow. |
1.3-1.5 mm, white. |
2n | = 18, 20, 40, 80. |
= 30,32,40,60. |
Paspalum conjugatum |
Paspalum convexum |
|
Distribution |
AL; FL; LA; MS; TX; UT; HI; PR; Virgin Islands
|
LA; MD; MS; TX; PR |
Discussion | Paspalum conjugatum is native to tropical and subtropical regions of both the Western and Eastern hemispheres, including the Flora region. It grows in disturbed areas and at the edges of forests, and is sometimes used as a lawn grass. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Paspalum convexum grows in disturbed areas in the southern United States. It is native from Mexico and the Caribbean Islands to Brazil. It is not considered to have particularly high forage value. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 572. | FNA vol. 25, p. 581. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Name authority | P.J. Bergius | Humb. & Bonpl. ex Flüggé |
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