Difference between revisions of "Paspalum laeve"

Revision as of 19:23, 24 September 2019

Illustrator: Cindy Roché, Linda A. Vorobik

Plants perennial; shortly rhizomatous. Culms 40-120 cm, erect; nodes glabrous or pubescent. Sheaths 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, 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 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 3-veined, lower lemmas 5-veined; upper florets pale to stramineous. Caryopses about 2 mm, white to yellow-brown. 2n = 20, 58, 70, 80.

Del., D.C, W.Va., Fla., N.J., Tex., La., Tenn., N.Y., Pa., Va., Ala., Ark., Ill., Ga., Ind., Conn., Md., Kans., Okla., Mass., Ohio, Mo., Mich., Miss., Ky., N.C., S.C.

Discussion

Paspalum laeve is restricted to the eastern United States. It grows at the edges of forests and in disturbed areas.

Selected References

None.

Lower Taxa