Dichanthelium aciculare subsp. fusiforme

(Hitchc.) Freckmann & Lelong
Synonyms: Panicum fusiforme
Treatment appears in FNA Volume 25. Treatment on page 444.

Resembles subsp. angustifolium vegetatively except that the culms often taller and more slender. Panicle branches ascending, not appearing 1-sided. Spikelets 2.9-3.6 mm, fusiform, bases strongly attenuate, apices pointed or beaked, lower glumes attached 0.3-0.5 mm below the upper glumes.

Discussion

Dichanthelium aciculare subsp. fusiforme grows in sandy pine or oak savannahs. It tends to replace D. aciculare subsp. angustifolium from southern Florida through Central America and the Antilles.

Selected References

None.

Lower Taxa

None.

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

beaked +  and pointed +
anatomy +  and kranz +
Mary E. Barkworth +
(Hitchc.) 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 +
15 cm150 mm <br />0.15 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 +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 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 +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
1.2mm +  and 1.8mm +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Panicum fusiforme +
Dichanthelium aciculare subsp. fusiforme +
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 +