Setaria viridis var. viridis

Common names: Green foxtail
Introduced
Synonyms: Setaria viridis var. weinmannii
Treatment appears in FNA Volume 25. Treatment on page 556.
Revision as of 03:16, 30 July 2020 by imported>Volume Importer
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Culms 20-100 cm; nodes 6-7. Blades 4-12 mm wide. Panicles usually 3-8 cm, producing around 600-800 caryopses. 2n = 18.

Distribution

Wash., Del., Wis., W.Va., Conn., Mass., Maine, N.H., R.I., Vt., Fla., Wyo., N.J., N.Mex., Tex., La., Tenn., N.C., S.C., Pa., N.Y., Nev., Va., Colo., Ala., Ark., Ariz., D.C., Ga., Iowa, Idaho, Ind., Md., N.Dak., Nebr., Ohio, Okla., Oreg., S.Dak., Utah, Calif., Ill., Mont., Mo., Minn., Mich., Kans., Alta., B.C., Man., N.B., Nfld. and Labr. (Labr.), N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Miss., Ky.

Discussion

Setaria viridis var. viridis is an aggressive adventive weed throughout temperate North America. It is the most common annual representative of Setaria in the Flora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

not penicillate +
anatomy +  and kranz +
James M. Rominger +
(L.) P. Beauv. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
non-radiate +  and radiate +
0 cm0 mm <br />0 m <br /> (20 cm200 mm <br />0.2 m <br />) +
usually linear +  and lanceolate occasionally ovate +
20 cm200 mm <br />0.2 m <br /> (?) +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
600 +  and 800 +
compressed +, ellipsoid +  and subglobose +
sometimes longer +
Green foxtail +
branched +  and solid +
decumbent +  and erect +
20 cm200 mm <br />0.2 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Wash. +, Del. +, Wis. +, W.Va. +, Conn. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Wyo. +, N.J. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, N.Y. +, Nev. +, Va. +, Colo. +, Ala. +, Ark. +, Ariz. +, D.C. +, Ga. +, Iowa +, Idaho +, Ind. +, Md. +, N.Dak. +, Nebr. +, Ohio +, Okla. +, Oreg. +, S.Dak. +, Utah +, Calif. +, Ill. +, Mont. +, Mo. +, Minn. +, Mich. +, Kans. +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, N.W.T. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Miss. +  and Ky. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
solid +  and hollow +
cauline +  and basal +
coriaceous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
triangular-ovate +
not constricted +
indurate +  and membranous +
rarely exceeding the upper lemmas +  and equaling +
complex +  and simple +
concealed +  and prominent +
6 +  and 7 +
2 +  and 1 +
subterranean +
spikelike +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
dry +  and fleshy +
villous +  and hispid +
scabridulous +
Introduced +
subsessile +  and short pedicellate +
in triplets +  and paired +
unisexual +  and bisexual +
acutish +  and obtuse +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
1 +  and 3 +
fused +  and free +
red +  and white +
fused +  and free +
dome--shaped +  and triangular +
Setaria viridis var. weinmannii +
Setaria viridis var. viridis +
Setaria viridis +
variety +
membranous +
membranous +  and herbaceous +
not keeled +
reduced +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +