Paspalum plicatulum

Michx.
Common names: Brownseed paspalum
Synonyms: Paspalum texanum
Treatment appears in FNA Volume 25. Treatment on page 581.

Plants perennial; shortly rhizomatous, often indistinctly so. Culms 30-110 cm, stout, erect; nodes glabrous. Sheaths glabrous; ligules 2-3 mm; blades to 35 cm long, 2-5.4 mm wide, conduplicate (rarely flat). Panicles terminal, with 2-7 racemosely arranged branches; branches 1.6-7.1 cm, usually divergent, rarely merely ascending; branch axes 0.6-1.1 mm wide, glabrous, terminating in a spikelet. Spikelets 2.5-3 mm long, 1.5-2.2 mm wide, paired, appressed to the branch axes, elliptic-ovate, light to dark-brown. Lower glumes absent; upper glumes usually with short, appressed pubescence, rarely glabrous, 5-veined, margins entire; lower lemmas with short, appressed pubescence or glabrous, 3-veined, margins entire; upper florets dark glossy brown. Caryopses 1.4-1.6 mm, brown. 2n = 20, 40, 60.

Distribution

Ga., Tex., La., Puerto Rico, Virgin Islands, Ala., Miss., S.C., Fla.

Discussion

Paspalum plicatulum grows in prairies, along forest margins, and in disturbed areas. Its range extends from the southeastern United States through the Caribbean and Mexico to Bolivia, Paraguay, and Argentina.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Paspalum plicatulum"
60 +, 40 +  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 /> (35 cm350 mm <br />0.35 m <br />) +
usually linear +  and lanceolate occasionally ovate +
0.2 cm2 mm <br />0.002 m <br /> (0.54 cm5.4 mm <br />0.0054 m <br />) +
divergent +  and arranged +
0.6mm +  and 1.1mm +
spikelike +
1.6 cm16 mm <br />0.016 m <br /> (7.1 cm71 mm <br />0.071 m <br />) +
not developed +
ringlike +
orbicular +  and elliptical planoconvex or flattened +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
sometimes longer +
Brownseed paspalum +
branched +  and solid +
30 cm300 mm <br />0.3 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
Ga. +, Tex. +, La. +, Puerto Rico +, Virgin Islands +, Ala. +, Miss. +, S.C. +  and Fla. +
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 +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
membranous +
inconspicuous +
3-veined +  and 5-veined +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
spreading +  and erect +
dry +  and fleshy +
subsessile +  and shortly pedicellate +
light +  and dark-brown +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 +  and 60 +
unisexual +  and bisexual +
elliptic-ovate +
1.5mm +  and 2.2mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Paspalum texanum +
Paspalum plicatulum +
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 +