Paspalum vaginatum |
Paspalum scrobiculatum |
|
---|---|---|
saltwater couch, seashore paspalum |
Indian paspalum, kodo-millet, ricegrass, ricegrass paspalum |
|
Habit | Plants perennial; rhizomatous and/or stoloniferous. | Plants annual. |
Culms | 10-79 cm, erect; nodes glabrous. |
10-150 cm, erect or decumbent; nodes glabrous. |
Sheaths | glabrous, sparsely long pubescent distally; ligules 1-2 mm; blades 10-19 cm long, 1.4-8 mm wide, flat or conduplicate, glabrous or pubescent, apices involute. |
glabrous; ligules 0.3-1.2 mm, often with a row of hairs behind them; blades 5-30 cm long, 2-8(12) mm wide, flat, usually glabrous. |
Panicles | terminal, usually composed of a digitate pair of branches, a third branch sometimes present below; branches 1.1-7.9 cm, diverging to erect; branch axes 0.4-1.4 mm wide, winged, glabrous, margins scabrous, terminating in a spikelet. |
terminal, with 1-5 digitately or racemosely arranged branches; branches 3-10 cm, diverging to spreading, persistent; branch axes 1.5-3 mm wide, broadly winged, glabrous, margins scabrous, terminating in a spikelet. |
Spikelets | 3-4.5 mm long, 1.1-2 mm wide, solitary, appressed to the branch axes, elliptic-lanceolate, glabrous, light stramineous, apices acute to acuminate. |
1.8-3.2 mm long, 2-2.3 mm wide, solitary, diverging from the branch axes, ovate, glabrous, olive green to dark, glossy brown. |
Lower glumes | absent (rarely present); upper glumes and lower lemmas glabrous, 3-veined; upper florets white. |
absent; upper glumes as long as the lower lemmas, 5-7-veined; lower lemmas 3-5-veined; upper florets 2.5-3 mm long, 1.4-1.8 mm wide, dark glossy brown. |
Caryopses | 2.8-3.1 mm, yellow. |
1.1-1.5 mm, nearly orbicular. |
2n | = 20, 40, 60. |
= 20, 40, 60, 120. |
Paspalum vaginatum |
Paspalum scrobiculatum |
|
Distribution |
AL; CA; FL; GA; LA; MS; NC; SC; TX; HI; PR; Virgin Islands
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AL; GA; MD; NJ; TX; HI
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Discussion | Paspalum vaginatum grows in brackish and salt marshes. It is native to warm, coastal regions around the world, including the Americas. It has been grown for turf and in lawn trials, but is not yet widely used for these purposes. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Paspalum scrobiculatium is native to India. It has been found growing in widely scattered disturbed areas of the southeastern United States, possibly as an escape from cultivation. It is grown as a cereal (Kodo) in India. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25. | FNA vol. 25. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Synonyms | P. orbiculare | |
Name authority | Sw. | L. |
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