Paspalum conjugatum |
Paspalum laeve |
|
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herbe creole, Hilo grass, muhsrasre, rehn wei, sour grass, sour paspalum, ti grass |
field beadgrass, field paspalum |
|
Habit | Plants perennial; stoloniferous. | Plants perennial; shortly rhizomatous. |
Culms | 15-80 cm, erect; nodes glabrous. |
40-120 cm, erect; 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 or pubescent; ligules 1.5-3.8 mm; blades to 37 cm long, 2-9.3 mm wide, flat, glabrous or pubescent. |
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 1-6 racemosely arranged branches; branches 2-10.9 cm, diverging to spreading (rarely erect), persistent; branch axes 0.6-1.3 mm wide, 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. |
2.3-3.3 mm long, 2-2.7 mm wide, solitary, appressed to the branch axes, elliptic to obovate or nearly orbicular, 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 3-veined, lower lemmas 5-veined; upper florets pale to stramineous. |
Caryopses | 0.9-1.1 mm, white to yellow. |
about 2 mm, white to yellow-brown. |
2n | = 18, 20, 40, 80. |
= 20, 58, 70, 80. |
Paspalum conjugatum |
Paspalum laeve |
|
Distribution |
AL; FL; LA; MS; TX; UT; HI; PR; Virgin Islands
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AL; AR; CT; DC; DE; FL; GA; IL; IN; KS; KY; LA; MA; MD; MI; MO; MS; NC; NJ; NY; OH; OK; PA; SC; TN; TX; VA; WV
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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 laeve is restricted to the eastern United States. It grows at the edges of forests and in disturbed areas. (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 | ||
Synonyms | P. longipilum, P. laeve var. pilosum, P. laeve var. circulare, P. laeve var. australe, P. circulare | |
Name authority | P.J. Bergius | Michx. |
Web links |