Paspalum laeve

Michx.
Common names: Field paspalum
Endemic
Synonyms: Paspalum longipilum Paspalum laeve var. pilosum Paspalum laeve var. circulare Paspalum laeve var. australe Paspalum circulare
Treatment appears in FNA Volume 25. Treatment on page 572.

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 yellowbrown. 2n = 20, 58, 70, 80.

Distribution

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

None.

"decumbent" is not a number.

... more about "Paspalum laeve"
80 +, 70 +, 58 +  and 20 +
rounded +
anatomy +  and kranz +
Charles M. Allen +  and David W. Hall +
Michx. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
disarticulating +  and pseudopetiolate +
non-radiate +  and radiate +
0 cm0 mm <br />0 m <br /> (37 cm370 mm <br />0.37 m <br />) +
pubescent +  and glabrous +
usually linear +  and lanceolate occasionally ovate +
0.2 cm2 mm <br />0.002 m <br /> (0.93 cm9.3 mm <br />0.0093 m <br />) +
0.6mm +  and 1.3mm +
persistent +
diverging;spreading +
spikelike +
2 cm20 mm <br />0.02 m <br /> (10.9 cm109 mm <br />0.109 m <br />) +
not developed +
ringlike +
white +  and yellowbrown +
orbicular +  and elliptical planoconvex or flattened +
2 cm20 mm <br />0.02 m <br /> (?) +
sometimes longer +
Field paspalum +
branched +  and solid +
40 cm400 mm <br />0.4 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
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. +  and S.C. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
solid +  and hollow +
cauline +  and basal +
coriaceous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
membranous +
inconspicuous +
complex +  and simple +
concealed +  and prominent +
pubescent +  and glabrous +
2 +  and 1 +
subterranean +
spreading +  and erect +
dry +  and fleshy +
pubescent +  and glabrous +
subsessile +  and shortly pedicellate +
paired +  and not solitary +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
1 +  and 60 +
unisexual +  and bisexual +
elliptic +  and obovate or nearly orbicular +
2mm +  and 2.7mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Paspalum longipilum +, Paspalum laeve var. pilosum +, Paspalum laeve var. circulare +, Paspalum laeve var. australe +  and Paspalum circulare +
Paspalum laeve +
Paspalum +
species +
membranous +
stipitate +  and sessile +
rounded +  and acute +
stramineous +  and dark-brown +
smooth +  and slightly rugose +
smooth +  and slightly rugose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +