Paspalum pubiflorum |
Paspalum minus |
|
---|---|---|
hairyseed paspalum |
Matted paspalum |
|
Habit | Plants perennial; usually decumbent, rooting at the nodes. | Plants perennial; shortly rhizomatous. |
Culms | 30-130 cm, decumbent; nodes glabrous or pubescent. |
3-60 cm, erect; nodes glabrous. |
Sheaths | glabrous or pubescent; ligules 1-3.2 mm; blades to 31 cm long, 4-18 mm wide, flat, glabrous, with a few hairs behind the ligules. |
glabrous or pubescent; ligules 0.2-0.7 mm; blades 8-18 cm long, 2-7.1 mm wide, flat, glabrous or pubescent. |
Panicles | terminal, with 2-7 racemosely arranged branches; branches 2.2-7.9 cm, divergent to spreading, terminating in a spikelet; branch axes 1.1-2.3 mm wide, narrowly winged, glabrous, margins scabrous. |
terminal, usually composed of a digitate pair of branches, a third branch sometimes present below the terminal pair; branches 1.8-6.4 cm, diverging to erect; branch axes 0.5-1.3 mm wide, narrowly winged, glabrous, margins scabrous, terminating in a spikelet. |
Spikelets | 2.8-3.6 mm long, 1.5-2 mm wide, paired, imbricate, appressed to divergent from the branch axes, elliptic to obovate, pubescent or glabrous, light brown to stramineous. |
1.9-2.3 mm long, 1.2-2 mm wide, solitary, appressed to the branch axes, broadly elliptic to ovate to obovate, glabrous, stramineous, apices obtuse. |
Lower glumes | absent; upper glumes and lower lemmas glabrous or sparsely pubescent, hairs shorter than 0.1 mm, 3-veined, margins entire; lower lemmas lacking ribs over the veins; upper florets stramineous. |
absent; upper glumes 3-veined, lower lemmas faintly 3-veined; upper florets stramineous. |
Caryopses | 1.8-2 mm, golden brown or white. |
1.8-2.2 mm, white. |
2n | = 60, ca. 64. |
= 20, 40, 50. |
Paspalum pubiflorum |
Paspalum minus |
|
Distribution |
AL; AR; CO; DC; FL; GA; IL; IN; KS; KY; LA; MD; MO; MS; NC; OH; OK; PA; SC; TN; TX; VA; WV
|
AL; FL; LA; MS; TX; PR |
Discussion | Paspalum pubiflorum grows on the edges of forests and in disturbed areas. It is native to the southeastern United States, Mexico, and Cuba. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Paspalum minus grows in disturbed areas and on the edges of forests. It grows from southern Texas to Florida in the Flora region; outside the region, it extends through Mexico and the West Indies to Peru, Bolivia, Brazil, and Paraguay. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 597. | FNA vol. 25, p. 577. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Synonyms | P. pubiflorum var. glabrum, P. geminum | |
Name authority | Rupr. ex E. Fourn. | E. Fourn. |
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