Paspalum setaceum var. villosissimum

(Nash) D.J. Banks
Common names: Hairy paspalum
Treatment appears in FNA Volume 25.

Plants erect. Leaves conspicuously basal; blades to 15 cm long, 3-10 mm wide, recurved, hirsute, usually with long stiff hairs and short soft hairs, grayish-green, margins ciliate, with long stiff hairs. Panicle branches 2-11.2 cm; branch axes 0.3-0.9 mm wide. Spikelets 1.4-1.9 mm long, 1.1-1.6 mm wide, elliptic, obovate, orbicular, or suborbicular, short-pubescent to nearly glabrous, often purple-spotted; lower lemmas without an evident midvein; upper lemmas 1.3-2 mm.

Discussion

Paspalum setaceum var. villosissimum grows in sandy fields and flatwoods of Florida and Cuba. It resembles var. longepedunculatum, differing in its pubescent leaves, more robust habit, and more developed rhizomes.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

rounded +
anatomy +  and kranz +
Charles M. Allen +  and David W. Hall +
(Nash) D.J. Banks +
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 +
grayish-green +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
usually linear +  and lanceolate occasionally ovate +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
17 cm170 mm <br />0.17 m <br /> (?) +
0.3mm +  and 0.9mm +
ascending;spreading +
spikelike +
2 cm20 mm <br />0.02 m <br /> (12 cm120 mm <br />0.12 m <br />) +
not developed +
ringlike +
elliptic +  and suborbicular +
sometimes longer +
Hairy paspalum +
branched +  and solid +
prostrate +, spreading +  and erect +
25 cm250 mm <br />0.25 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
Conn. +, N.J. +, N.Y. +, Va. +, Del. +, D.C. +, Wis. +, W.Va. +, Ont. +, Fla. +, N.H. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, Mass. +, R.I. +, Vt. +, Puerto Rico +, Colo. +, Md. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Iowa +, Ariz. +, Kans. +, Nebr. +, Okla. +, Ohio +, Mo. +, Minn. +, Mich. +, Mont. +, Miss. +, Ky. +  and S.Dak. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
solid +  and hollow +
coriaceous +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
inconspicuous +
complex +  and simple +
concealed +  and prominent +
pubescent +  and glabrous +
2 +  and 1 +
2 cm20 mm <br />0.02 m <br /> (11.2 cm112 mm <br />0.112 m <br />) +
subterranean +
spreading +  and erect +
dry +  and fleshy +
pubescent +  and glabrous +
subsessile +  and shortly pedicellate +
imbricate +  and paired +
purple-spotted +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
short-pubescent +  and nearly glabrous +
1 +  and 60 +
unisexual +  and bisexual +
suborbicular +, orbicular +, obovate +  and elliptic +
1.1mm +  and 1.6mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Gramineae +
Paspalum setaceum var. villosissimum +
Paspalum setaceum +
variety +
membranous +
stipitate +  and sessile +
rounded +  and acute +
glandular-pubescent +  and glabrous +
stramineous +  and dark-brown +
smooth +  and slightly rugose +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glandular-pubescent +  and glabrous +
smooth +  and slightly rugose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +