Paspalum almum

Chase
Common names: Comb's paspalum
Introduced
Treatment appears in FNA Volume 25. Treatment on page 575.

Plants perennial; cespitose, shortly rhizomatous. Culms 10-50 cm, erect. Sheaths glabrous or sparsely pubescent; ligules 0.5-2 mm; blades to 20 cm long, 1.5-3.8 mm wide, flat, pubescent. Panicles terminal, usually composed of a digitate pair of branches, 1-5 additional branches sometimes present below; branches 1.8-7.1 cm, diverging to erect; branch axes 0.8-1.3 mm wide, winged, terminating in a spikelet. Spikelets 3-3.6 mm long, 1.3-1.8 mm wide, solitary (rarely paired), appressed to the branch axes, elliptic, glabrous, apices acute to acuminate. Lower glumes absent; upper glumes and lower lemmas glabrous, 5-veined, margins flat; upper florets stramineous to golden brown. 2n = 12, 24, 36.

Discussion

Paspalum almum was probably introduced to North America as a forage species. Its native range is Brazil, Paraguay, Uruguay, and eastern Argentina. It has not been reported from Mexico or Central America. In the Flora region, it is found along roadsides and in pastures of southeastern Texas and southern Louisiana.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Paspalum almum"
36 +, 24 +  and 12 +
acute +  and acuminate +
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 /> (20 cm200 mm <br />0.2 m <br />) +
usually linear +  and lanceolate occasionally ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
0.8mm +  and 1.3mm +
diverging;erect +
additional +
spikelike +
1.8 cm18 mm <br />0.018 m <br /> (7.1 cm71 mm <br />0.071 m <br />) +
not developed +
ringlike +
brown +, yellow +  and white +
orbicular +  and elliptical planoconvex or flattened +
sometimes longer +
Comb's paspalum +
branched +  and solid +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Tex. +  and La. +
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 +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
spreading +  and erect +
1 +  and 5 +
dry +  and fleshy +
pubescent +  and glabrous +
Introduced +
subsessile +  and shortly pedicellate +
paired +  and not solitary +
0.3 cm3 mm <br />0.003 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
1 +  and 60 +
unisexual +  and bisexual +
compressed +, rounded +  and acuminate +
1.3mm +  and 1.8mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Gramineae +
Paspalum almum +
Paspalum +
species +
membranous +
stipitate +  and sessile +
rounded +  and acute +
stramineous +  and dark-brown +
smooth +  and slightly rugose +
smooth +  and slightly rugose +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +