Difference between revisions of "Dichanthelium aciculare subsp. aciculare"

Treatment appears in FNA Volume 25. Treatment on page 444.
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Latest revision as of 03:04, 30 July 2020

Plants densely cespitose. Culms usually 15-35 cm, usually pubescent, at least on the lower internodes; nodes sometimes bearded, usually yellowish; lower internodes puberulent to appressed-pilose. Cauline blades usually 4-6 cm. Primary panicles usually open, branches spreading to ascending, not appearing 1-sided. Spikelets 1.7-2.3 mm, obovoid, blunt.

Discussion

Dichanthelium aciculare subsp. aciculare is common in sterile, open sands on the coastal plain. It is restricted to the eastern United States and Mexico.

Selected References

None.

Lower Taxa

None.

"usually distinctly longer and narrower" is not a number."decumbent" is not a number.

pointed +  and beaked +
anatomy +  and kranz +
Mary E. Barkworth +
(Desv. ex Poir.) Gould & C.A. Clark +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
attenuate +
swelling +
transitional +
non-radiate +  and radiate +
distinct +
involute +, flat +, ovate +  and lanceolate +
reduced +  and large +
spreading;ascending +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
terete +  and compressed +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
sometimes longer +
decumbent +  and sprawling +
flabellate +
erect +  and spreading +
15 cm150 mm <br />0.15 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Puerto Rico +, Md. +, N.J. +, Okla. +, Miss. +, Tex. +, La. +, Del. +, Ala. +, D.C. +, Tenn. +, N.C. +, S.C. +, Va. +, Ark. +, Ga. +, Ky. +, Fla. +, Ind. +, N.Y. +, Pa. +  and W.Va. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
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 pilose +
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 +
4 cm40 mm <br />0.04 m <br /> (16 cm160 mm <br />0.16 m <br />) +
sparsely pilose +  and pubescent +
3mm +  and 9mm +
broadly triangular +  and rounded +
puberulent +  and appressed-pilose +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
dry +  and fleshy +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (7 cm70 mm <br />0.07 m <br />) +
with soft , ascending , papillose-based hairs +  and glabrous +
in triplets +  and paired +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
pubescent +  and glabrous +
1 +  and 60 +
unisexual +  and bisexual +
blunt +  and obovoid +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
1.2mm +  and 1.8mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Panicum aciculare +
Dichanthelium aciculare subsp. aciculare +
Dichanthelium aciculare +
subspecies +
membranous +
blunt +  and apiculate +
chartaceous-indurate +
prominent +  and raised +
5 (?) +  and 9 (?) +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +