Aristida dichotoma var. dichotoma

Endemic
Treatment appears in FNA Volume 25. Treatment on page 328.

Glumes equal or subequal; lower glumes 3-6 mm; upper glumes 4-7 mm; lemmas 3-8 mm, sparsely appressed-pubescent; central awns 3-6 mm; lateral awns about 1 mm. Caryopses 2-6 mm.

Distribution

Ill., Maine, Mich., Wis., W.Va., Del., Iowa, Fla., N.J., Tex., La., Ind., Mass., Miss., Ark., Kans., Okla., Tenn., N.C., S.C., Pa., N.Y., Va., Conn., N.H., R.I., Vt., Ont., Calif., Ala., Ga., Ohio, Md., Mo., Ky., D.C.

Discussion

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

1 +  and 3 +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Kelly W. Allred +
Michx. +
1 (?) +  and 3 (?) +
straight +
ascending +  and spreading +
not evident +
keeled +  and rounded +
coiled +, disarticulating +  and twisted +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
straight +
light green +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
scabridulous +
flat +  and folded basally +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spikelike +
well-developed +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
non-radiate +  and radiate +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
geniculate +
15 cm150 mm <br />0.15 m <br /> (60 cm600 mm <br />0.6 m <br />) +
not woody +
Ill. +, Maine +, Mich. +, Wis. +, W.Va. +, Del. +, Iowa +, Fla. +, N.J. +, Tex. +, La. +, Ind. +, Mass. +, Miss. +, Ark. +, Kans. +, Okla. +, Tenn. +, N.C. +, S.C. +, Pa. +, N.Y. +, Va. +, Conn. +, N.H. +, R.I. +, Vt. +, Ont. +, Calif. +, Ala. +, Ga. +, Ohio +, Md. +, Mo. +, Ky. +  and D.C. +
large +  and small +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
light gray +  and dark purplish or brownish +
subtending +
acute +  and acuminate +
subequal +
racemose +  and paniculate +
2 cm20 mm <br />0.02 m <br /> (?) +  and 11 cm110 mm <br />0.11 m <br /> (?) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (?) +
mottled +, light gray +  and purplish +
appressed-pubescent +
scabridulous +
fusiform +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
coriaceous +
indistinguishable +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
inconspicuous +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
appressed-puberulent +  and glabrous +
scabridulous +
concealed +  and prominent +
strigillose +  and glabrous +
2 +  and 1 +
concealing +
0 +  and 1/2 +
dry +  and fleshy +
divaricate +  and divergent +
ascending;usually appressed;ascending +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not prolonged +
pilose +  and glabrous +
1 (?) +  and Anatomy (?) +
pedicellate +  and subsessile +
1 +  and 3 +
triangular +  and dome--shaped +
2 (?) +  and 3 (?) +
Gramineae +
Aristida dichotoma var. dichotoma +
Aristida dichotoma +
variety +
membranous +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
aquatic +  and terrestrial +