Difference between revisions of "Dichanthelium dichotomum subsp. mattamuskeetense"

Synonyms: Panicum mattamuskeetense Panicum dichotomum var. mattamuskeetense Panicum dichotomum var. clutei Panicum clutei Panicum annulum
Treatment appears in FNA Volume 25. Treatment on page 433.
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(No difference)

Latest revision as of 03:03, 30 July 2020

Plants very similar to subsp. microcarpon. Fall phase sparingly branched, blades not as greatly reduced as in subsp. microcarpon. Sheaths and blades, particularly those of the lower leaves, more or less densely velvety pubescent. 2n = unknown.

Discussion

Dichanthelium dichotomum subsp. mattamuskeetense grows in low, moist, often sandy or peaty, ground and bogs. A relatively uncommon subspecies, it grows on the Atlantic coastal plain from Massachusetts to Florida.

Selected References

None.

Lower Taxa

None.

No values specified."usually distinctly longer and narrower" is not a number."decumbent" is not a number.

rounded +  and attenuate +
anatomy +  and kranz +
Mary E. Barkworth +
(L.) Gould +
1 (?) +  and 3 (?) +
keeled +  and rounded +
well-differentiated +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
constricted +
non-radiate +  and radiate +
yellow-green +  and purplish +
distinct +
3.5 cm35 mm <br />0.035 m <br /> (14 cm140 mm <br />0.14 m <br />) +
pubescent +  and velvety +
subcordate +, ovate +  and lanceolate +
reduced +
ascending;spreading +
scabridulous +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
fascicles +  and divergent +
not developed +
terete +  and compressed +
sometimes longer +
Large (?) +  and Small (?) +
branching +  and hollow +
decumbent +  and sprawling +
decumbent +  and erect +
geniculate +
20 cm200 mm <br />0.2 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Conn. +, N.J. +, N.Y. +, Va. +, Del. +, D.C. +, Wis. +, W.Va. +, N.B. +, Ont. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, Puerto Rico +, Ark. +, Iowa +, Md. +, Ala. +, Ill. +, Ga. +, Ind. +, Okla. +, Ohio +, Mo. +, Minn. +, Mich. +, Miss. +  and Ky. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
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 +
olive green +  and purplish +
fascicles +  and divergent +
fascicles +  and divergent +
cauline +  and basal +
pubescent +  and velvety +
coriaceous +
1 cm10 mm <br />0.01 m <br /> (?) +
membranous +
inconspicuous +
obtuse +  and acute +
pubescent +  and glabrous +
glabrous +  and ciliate +
complex +  and simple +
rebranched +  and branched +
concealed +  and prominent +
bearded +, pilose +  and glabrous +
2 +  and 1 +
subterranean +
dry +  and fleshy +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
in triplets +  and paired +
purplish +  and green +
puberulent +, pubescent +  and glabrous +
many +  and few +
unisexual +  and bisexual +
obtuse +  and acute +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Panicum mattamuskeetense +, Panicum dichotomum var. mattamuskeetense +, Panicum dichotomum var. clutei +, Panicum clutei +  and Panicum annulum +
Dichanthelium dichotomum subsp. mattamuskeetense +
Dichanthelium dichotomum +
subspecies +
membranous +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
subacute +  and obtuse +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
usually slightly shorter +
chartaceous-indurate +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +