Eragrostis mexicana subsp. mexicana

Synonyms: Eragrostis neomexicana
Treatment appears in FNA Volume 25. Treatment on page 78.

Culms and sheaths sometimes with glandular depres¬sions. Spikelets 1.5-2.4 mm wide, ovate to oblong in outline. Lower glumes 1.2-2.3 mm; sum of spikelet width and lower glume length 2.7-4.7 mm.

Discussion

Eragrostis mexicana subsp. mexicana grows from Ontario through the midwestern United States to California, South Carolina, and Texas and southwards to Mexico.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Obtuse (?) +  and Truncate (?) +
Paul M. Peterson +
(Hornem.) Link +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
not +  and glabrous +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
5 cm50 mm <br />0.05 m <br /> (25 cm250 mm <br />0.25 m <br />) +
pubescent +  and glabrous +
involute +, folded +  and flat +
2mm;7mm +
not disarticulating +
not spikelike +
pubescent +  and glabrous +
opaque +  and reddish-brown +
compressed +, ovoid +  and rectangular-prismatic +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
triangular +  and dome--shaped +
sometimes longer +
membranous +
branched +, simple +  and rooting +
geniculate +
10 cm100 mm <br />0.1 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
not woody +
Wash. +, Del. +, Oreg. +, Wis. +, Iowa +, N.Dak. +, Fla. +, N.Mex. +, Tex. +, Idaho +, B.C. +, Ont. +, Nev. +, Colo. +, Calif. +, Ind. +, Maine +, Ill. +, Ariz. +, Md. +, Mass. +, Utah +  and S.C. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
5 +  and 11 +
round +  and compressed +
reduced +
persistent +  and deciduous +
shorter or longer +
subtending +
ovate +  and lanceolate +
subequal +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
papillose-based +
uncinate +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
paniculate +  and racemose +
hollow +  and solid +
not absent +
(1)3(5)-veined +
with a few hairs +  and glabrous +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
membranous +
sometimes longer +
ciliate +  and ciliolate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
inconspicuous +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
concealed +  and prominent +
2 +  and 1 +
persistent +
2-keeled +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
open +  and simple +
10cm +  and 40cm +
4 cm40 mm <br />0.04 m <br /> (18 cm180 mm <br />0.18 m <br />) +
7 cm70 mm <br />0.07 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
dry +  and fleshy +
solitary +  and whorled +
15 cm150 mm <br />0.15 m <br /> (?) +
diverging;appressed +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
spikelike +
channeled +  and angled +
gray-green +  and purplish +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 +  and 60 +
ovate +  and oblong +
1.5mm +  and 2.4mm +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
Eragrostis neomexicana +
Eragrostis mexicana subsp. mexicana +
Eragrostis mexicana +
subspecies +
membranous +
7 +  and 13 +
rhizomatous +  and stoloniferous +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +  and synoecious +