Dichanthelium aciculare subsp. angustifolium

(Elliott) Freckmann & Lelong
Synonyms: Panicum arenicoloides Panicum angustifolium Panicum aciculare var. angustifoliutn
Treatment appears in FNA Volume 25. Treatment on page 444.
Revision as of 03:04, 30 July 2020 by imported>Volume Importer
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Plants cespitose. Culms usually 35-75 cm, usually pubescent, at least on the lower internodes. Midculm blades 6-16 cm, usually glabrous. Primary panicles open, branches spreading, not appearing 1-sided. Spikelets 2.4-3 mm, narrowly obovoid to ellipsoid, often pointed to beaked. Lower glumes attached less than 0.2 mm below the upper glumes.

Discussion

Dichanthelium aciculare subsp. angustifolium grows in open pine woodlands, often in sandy soil with needle duff. It is restricted to the southeastern United States.

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 +
(Elliott) Freckmann & Lelong +
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 +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
terete +  and compressed +
sometimes longer +
decumbent +  and sprawling +
flabellate +
erect +  and spreading +
35 cm350 mm <br />0.35 m <br /> (75 cm750 mm <br />0.75 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 +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
6 cm60 mm <br />0.06 m <br /> (16 cm160 mm <br />0.16 m <br />) +
complex +  and simple +
concealed +  and prominent +
pubescent +  and glabrous +
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 +
pointed +  and beaked +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1.2mm +  and 1.8mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Panicum arenicoloides +, Panicum angustifolium +  and Panicum aciculare var. angustifoliutn +
Dichanthelium aciculare subsp. angustifolium +
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 +