Dichanthelium commutatum subsp. commutatum

Synonyms: Panicum commutatum var. joorii Panicum mutabile
Treatment appears in FNA Volume 25. Treatment on page 414.

Plants with caudices. Culms more or less erect, usually glabrous, sometimes sparsely pubescent or puberulent. Basal blades large, usually 8-14 cm long, 7-22 mm wide. Cauline blades 3.5-8 times as long as wide, 6-25 mm wide, thin, ovatelanceolate, green, sometimes glaucous, bases almost symmetrical. Spikelets 2.6-2.9 mm. Lower glumes about 1/4 as long as the spikelets; lower lemmas rounded apically.

Discussion

Dichanthelium commutatum subsp. commutatum grows in wet to dry woodlands. Its range extends to South America.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number."elongated" is not a number.

anatomy +  and kranz +
Mary E. Barkworth +
(Schult.) Gould +
1 (?) +  and 3 (?) +
keeled +  and rounded +
8 cm80 mm <br />0.08 m <br /> (14 cm140 mm <br />0.14 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
well-differentiated +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
rebranching +  and dichotomous +
non-radiate +  and radiate +
distinct +
5 cm50 mm <br />0.05 m <br /> (16 cm160 mm <br />0.16 m <br />) +
puberulent +  and glabrous +
linear +  and ovatelanceolate +
5mm;25mm +
spikelike +
not developed +
terete +  and compressed +
ovatelanceolate +
thin;6mm;25mm +
usually distinctly longer and narrower +
12 cm120 mm <br />0.12 m <br /> (?) +
rebranching +
not dense +
decumbent +  and sprawling +
puberulent +, pubescent +  and glabrous +
20 cm200 mm <br />0.2 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Del. +, W.Va. +, Fla. +, Conn. +, D.C. +, N.J. +, Mass. +, R.I. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, N.Y. +, Va. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Maine +, Md. +, Tex. +, Ohio +, Mo. +, Mich. +, Okla. +, Miss. +  and Ky. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
papillose-based +
uncinate +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Oval (?) +  and Round (?) +
bracteate +  and ebracteate +
solid +  and hollow +
puberulent +  and pubescent +
cauline +  and basal +
coriaceous +
0.3 cm3 mm <br />0.003 m <br /> (?) +
membranous +
inconspicuous +
acuminate +, acute +  and truncate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
complex +  and simple +
concealed +  and prominent +
puberulent +  and pubescent +
2 +  and 1 +
5cm +  and 12cm +
subterranean +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
dry +  and fleshy +
membranous +
rebranching +  and dichotomous +
rebranching +  and dichotomous +
not overlapping +
not viscid +
puberulent +, glabrous +  and glaucous +
in triplets +  and paired +
purplish +  and yellowish-green +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
1 +  and 60 +
unisexual +  and bisexual +
ellipsoid +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
1.1mm +  and 1.3mm +
1 (?) +  and 3 (?) +
fused +  and free +
2 (?) +  and 3 (?) +
dome--shaped +  and triangular +
Panicum commutatum var. joorii +  and Panicum mutabile +
Dichanthelium commutatum subsp. commutatum +
Dichanthelium commutatum +
subspecies +
membranous +
chartaceous-indurate +
30 +  and 80 +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +