Paspalum conjugatum |
Paspalum plicatulum |
|
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herbe creole, Hilo grass, muhsrasre, rehn wei, sour grass, sour paspalum, ti grass |
brownseed paspalum |
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Habit | Plants perennial; stoloniferous. | Plants perennial; shortly rhizomatous, often indistinctly so. |
Culms | 15-80 cm, erect; nodes glabrous. |
30-110 cm, stout, erect; nodes glabrous. |
Sheaths | glabrous, pubescent distally; ligules 0.5-0.8 mm; blades 7-23 cm long, 1.5-8 mm wide, flat. |
glabrous; ligules 2-3 mm; blades to 35 cm long, 2-5.4 mm wide, conduplicate (rarely 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 2-7 racemosely arranged branches; branches 1.6-7.1 cm, usually divergent, rarely merely ascending; branch axes 0.6-1.1 mm wide, 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. |
2.5-3 mm long, 1.5-2.2 mm wide, paired, appressed to the branch axes, elliptic-ovate, 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 usually with short, appressed pubescence, rarely glabrous, 5-veined, margins entire; lower lemmas with short, appressed pubescence or glabrous, 3-veined, margins entire; upper florets dark glossy brown. |
Caryopses | 0.9-1.1 mm, white to yellow. |
1.4-1.6 mm, brown. |
2n | = 18, 20, 40, 80. |
= 20, 40, 60. |
Paspalum conjugatum |
Paspalum plicatulum |
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Distribution |
AL; FL; LA; MS; TX; UT; HI; PR; Virgin Islands
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AL; FL; GA; LA; MS; SC; TX; PR; Virgin Islands
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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 plicatulum grows in prairies, along forest margins, and in disturbed areas. Its range extends from the southeastern United States through the Caribbean and Mexico to Bolivia, Paraguay, and Argentina. (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 | ||
Synonyms | P. texanum | |
Name authority | P.J. Bergius | Michx. |
Web links |