Paspalum fimbriatum

Kunth
Common names: Winged paspalum Panama crowngrass
Treatment appears in FNA Volume 25. Treatment on page 577.

Plants annual. Culms 15-70 cm, erect; nodes glabrous or pubescent. Sheaths pubescent, sometimes sparsely so; ligules 1-1.9 mm; blades to 35 cm long, 1.9-16.2 mm wide, flat, sparsely pubescent on both surfaces, margins ciliate basally. Panicles terminal, with 2-8 racemosely arranged branches; branches 2-6.4 cm, diverging to erect; branch axes 0.9-1.6 mm wide, winged, glabrous, margins scabrous, terminating in a spikelet. Spikelets 2.5-3.5 mm long, 2.4-3 mm wide, paired, appressed to the branch axes, suborbicular, stramineous. Lower glumes absent; upper glumes and lower lemmas 1.9-2.1 mm, ovate, winged, 1-veined, margins ciliate-lacerate; upper florets 1.7-1.9 mm, stramineous. Caryopses 0.9-1.1 mm, orbicular, white. 2n = 20.

Distribution

Puerto Rico, Virgin Islands, Pacific Islands (Hawaii), Fla.

Discussion

Paspalum fimbriatum has probably been introduced into the United States. Its primary range extends from southern Mexico to Colombia, Venezuela, and French Guiana. In the Flora region, it grows in disturbed areas of Florida.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Paspalum fimbriatum"
rounded +
anatomy +  and kranz +
Charles M. Allen +  and David W. Hall +
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 +
0.19 cm1.9 mm <br />0.0019 m <br /> (1.62 cm16.2 mm <br />0.0162 m <br />) +
0.9mm +  and 1.6mm +
diverging;erect +
spikelike +
2 cm20 mm <br />0.02 m <br /> (6.4 cm64 mm <br />0.064 m <br />) +
not developed +
ringlike +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
sometimes longer +
Winged paspalum +  and Panama crowngrass +
branched +  and solid +
15 cm150 mm <br />0.15 m <br /> (70 cm700 mm <br />0.7 m <br />) +
Puerto Rico +, Virgin Islands +, Pacific Islands (Hawaii) +  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 +
0.1 cm1 mm <br />0.001 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
membranous +
inconspicuous +
ciliate-lacerate +
complex +  and simple +
concealed +  and prominent +
pubescent +  and glabrous +
2 +  and 1 +
subterranean +
spreading +  and erect +
dry +  and fleshy +
subsessile +  and shortly pedicellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
1 +  and 60 +
unisexual +  and bisexual +
suborbicular +
2.4mm +  and 3mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Gramineae +
Paspalum fimbriatum +
Paspalum +
species +
membranous +
stipitate +  and sessile +
rounded +  and acute +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
1-veined +  and winged +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
stramineous +  and dark-brown +
smooth +  and slightly rugose +
1-veined +  and winged +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
smooth +  and slightly rugose +
stoloniferous +  and rhizomatous +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +