Paspalum conjugatum |
Paspalum dissectum |
|
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herbe creole, Hilo grass, muhsrasre, rehn wei, sour grass, sour paspalum, ti grass |
mudbank crowngrass, mudbank paspalum |
|
Habit | Plants perennial; stoloniferous. | Plants perennial; rhizomatous. |
Culms | 15-80 cm, erect; nodes glabrous. |
10-50 cm, decumbent; nodes glabrous or pubescent. |
Sheaths | glabrous, pubescent distally; ligules 0.5-0.8 mm; blades 7-23 cm long, 1.5-8 mm wide, flat. |
glabrous; ligules 2-2.5 mm; blades to 12 cm long, 1.3-4.8 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 2-6 racemosely arranged branches; branches 1.3-5.3 cm, diverging to erect, often arcuate, persistent; branch axes 1.8-3 mm wide, broadly winged, usually conduplicate, glabrous, margins scabrous, 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. |
1.7-2.1 mm long, 1.1-1.4 mm wide, solitary, appressed to the branch axes, elliptic to ovate, glabrous, stramineous. |
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 5-veined; upper florets stramineous, lemmas glabrous throughout. |
Caryopses | 0.9-1.1 mm, white to yellow. |
1-1.3 mm, white. |
2n | = 18, 20, 40, 80. |
= 40, 60. |
Paspalum conjugatum |
Paspalum dissectum |
|
Distribution |
AL; FL; LA; MS; TX; UT; HI; PR; Virgin Islands
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AL; AR; DC; DE; FL; GA; IL; KS; KY; LA; MD; MO; MS; NC; NJ; OK; SC; TN; TX; VA
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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 dissectum grows at the edges of lakes, ponds, rice fields, and wet roadside ditches. It is native to the eastern portion of the contiguous United States and to Cuba. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 572. | FNA vol. 25, p. 572. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Name authority | P.J. Bergius | (L.) L. |
Web links |