Paspalum conjugatum |
Paspalum racemosum |
|
---|---|---|
herbe creole, Hilo grass, muhsrasre, rehn wei, sour grass, sour paspalum, ti grass |
Peruvian paspalum |
|
Habit | Plants perennial; stoloniferous. | Plants annual; cespitose or rhizomatous. |
Culms | 15-80 cm, erect; nodes glabrous. |
40-90 cm, erect; nodes purple. |
Sheaths | glabrous, pubescent distally; ligules 0.5-0.8 mm; blades 7-23 cm long, 1.5-8 mm wide, flat. |
glabrous; ligules 0.1-0.3 mm; blades 4-13 cm long, 10-22 mm wide, flat, glabrous. |
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 40-75 racemosely arranged branches; branches 1-2.5 cm, divergent to erect; branch axes 1-1.5 mm wide, terminating in a pedicellate spikelet. |
Spikelets | 1.3-1.9 mm long, 0.8-1.1 mm wide, solitary, appressed to the branch axes, ovate, stramineous. |
2.5-2.9 mm long, 0.8-1.2 mm wide, paired, appressed to or divergent from the branch axes, linear-elliptic, pubescent, stramineous or purplish. |
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 rugose, shortly ciliate; lower lemmas lacking ribs over the veins; upper florets 1.3-1.6 mm, stramineous, oblong elliptic, pale, shiny. |
Caryopses | 0.9-1.1 mm, white to yellow. |
white. |
2n | = 18, 20, 40, 80. |
= unknown. |
Paspalum conjugatum |
Paspalum racemosum |
|
Distribution |
AL; FL; LA; MS; TX; UT; HI; PR; Virgin Islands
|
CO; KS; MS; ON |
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 racemosum is native to Colombia, Ecuador, and Peru. Within the Flora region, it is known from disturbed sites at a few widely scattered locations. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 25, p. 572. | FNA vol. 25. |
Parent taxa | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum | Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum |
Sibling taxa | ||
Name authority | P.J. Bergius | Lam. |
Web links |