Aristida longespica var. longespica

Common names: Slimspike threeawn
Endemic
Treatment appears in FNA Volume 25. Treatment on page 330.

Glumes 2-8 mm; lemmas 2.5-7 mm; central awns 1-10 (14) mm, erect to reflexed; lateral awns absent ot to 5 (8) mm, erect to ascending; anthers 1, rarely exerted.

Distribution

Ont., Kans., Okla., Del., Mass., Pa., Tex., La., Ariz., D.C., Wash., Mo., Iowa, Minn., Ohio, W.Va., Mich., Ala., Wis., Ark., Ga., Md., N.C., S.C., Tenn., Va., N.Y., N.J., Ill., Miss., Ind., Ky., Fla.

Discussion

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
narrowed +
Kelly W. Allred +
not disarticulating +
1 (?) +  and 3 (?) +
curving +
erect +  and reflexed +
not evident +
terete +
unequal +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
keeled +  and rounded +
coiled +, disarticulating +  and twisted +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
straight +
light green +
5 cm50 mm <br />0.05 m <br /> (14 cm140 mm <br />0.14 m <br />) +
flat +  and loosely involute +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spikelike +
well-developed +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
non-radiate +  and radiate +
erect +  and reflexed +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Slimspike threeawn +
much-branched +
erect +  and spreading +
15 cm150 mm <br />0.15 m <br /> (65 cm650 mm <br />0.65 m <br />) +
not woody +
Ont. +, Kans. +, Okla. +, Del. +, Mass. +, Pa. +, Tex. +, La. +, Ariz. +, D.C. +, Wash. +, Mo. +, Iowa +, Minn. +, Ohio +, W.Va. +, Mich. +, Ala. +, Wis. +, Ark. +, Ga. +, Md. +, N.C. +, S.C. +, Tenn. +, Va. +, N.Y. +, N.J. +, Ill. +, Miss. +, Ind. +, Ky. +  and Fla. +
large +  and small +
thread-like +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
subtending +
acuminate +
subequal +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
straight +
pilose +  and glabrous +
0 cm0 mm <br />0 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
racemose +  and paniculate +
6 cm60 mm <br />0.06 m <br /> (?) +  and 22 cm220 mm <br />0.22 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
erect +  and ascending +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
mottled +, banded +, gray +  and dark purplish-brown +
glabrous +  and scabrous-hispid +
scabridulous +
fusiform +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
coriaceous +
indistinguishable +
0.5 cm5 mm <br />0.005 m <br /> (?) +
inconspicuous +
concealed +  and prominent +
with straight hairs +  and glabrous +
2 +  and 1 +
concealing +
0 +  and 1/2 +
dry +  and fleshy +
divaricate +  and divergent +
spreading;appressed;erect +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
not prolonged +
not disintegrating +
1 (?) +  and Anatomy (?) +
widely spaced +  and crowded +
1 +  and 3 +
triangular +  and dome--shaped +
2 (?) +  and 3 (?) +
Gramineae +
Aristida longespica var. longespica +
Aristida longespica +
variety +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
membranous +
aquatic +  and terrestrial +