Bouteloua curtipendula var. curtipendula

Treatment appears in FNA Volume 25. Treatment on page 254.

Plants not cespitose, with long rhizomes. Culms solitary or in small clumps. Blades 3-7 mm, flat. Panicles with 40-70 branches, averaging 3-7 spikelets per branch. Glumes and lemmas typically purple or purple-tinged; anthers red or red-orange, infrequently yellow, orange, or purple. 2n = 40, 41-66.

Distribution

W.Va., Alta., B.C., Man., Ont., Sask., Ala., Ariz., Ga., Ill., Ind., Ky., Md., Mich., Minn., Miss., N.Dak., Nebr., N.J., N.Mex., N.Y., Ohio, Pa., S.Dak., Tenn., Utah, Wis., Wyo., Conn., Idaho, Maine, S.C., Fla., Tex., La., Va., Colo., Ark., D.C., Pacific Islands (Hawaii), Oreg., Wash., Iowa, Kans., Okla., Mo., Mont.

Discussion

Bouteloua curtipendula var. curtipendula is the common variety of B. curtipendula in most of the Flora region. It grows on rich, loamy, well-drained prairie soils. Its elevational range extends from below 100 m to 2500 m.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

purple +, orange +, yellow +, red-orange +  and red +
1 +  and 3 +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
J.K. Wipff +
(Michx.) Torr. +
1 (?) +  and 3 (?) +
unequally-developed +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
folded +  and flat +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
wide;2.5mm;7mm +
subdigitate +  and digitate +
5 cm50 mm <br />0.05 m <br /> (?) +
spikelike +
not woody +
triangular +  and dome--shaped +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
sometimes longer +
membranous +
in small clumps +  and solitary +
small +  and large +
8 cm80 mm <br />0.08 m <br /> (80 cm800 mm <br />0.8 m <br />) +
not woody +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
W.Va. +, Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Ala. +, Ariz. +, Ga. +, Ill. +, Ind. +, Ky. +, Md. +, Mich. +, Minn. +, Miss. +, N.Dak. +, Nebr. +, N.J. +, N.Mex. +, N.Y. +, Ohio +, Pa. +, S.Dak. +, Tenn. +, Utah +, Wis. +, Wyo. +, Conn. +, Idaho +, Maine +, S.C. +, Fla. +, Tex. +, La. +, Va. +, Colo. +, Ark. +, D.C. +, Pacific Islands (Hawaii) +, Oreg. +, Wash. +, Iowa +, Kans. +, Okla. +, Mo. +  and Mont. +
not waisted +
capillary +
pistillate +  and staminate +
4-lobed +  and trilobed +
sometimes longer +
rudimentary +
1 +  and 2 +
sterile +  and bisexual +
round +  and compressed +
reduced +
purple-tinged +  and purple +
shorter or longer +
subtending +
scabrous +  and glabrous +
both +  and 1 +
acuminate +  and acute +
unequal +
papillose-based +
uncinate +
paniculate +  and racemose +
hollow +  and solid +
not absent +
distributed +
5-veined +, 7-13-veined +  and 1-3-veined +
purple-tinged +  and purple +
sometimes longer +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
membranous +
inconspicuous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
scabrous-strigose +  and glabrous +
3-lobed +  and acute +
0.3 cm3 mm <br />0.003 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
concealed +  and prominent +
2 +  and 1 +
3 +  and no +
13 cm130 mm <br />0.13 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dry +  and fleshy +
spikelike +
elongate +
flabellate +
sessile +  and subsessile +
terete +, compressed +  and pectinate +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
Gramineae +
Bouteloua curtipendula var. curtipendula +
Bouteloua curtipendula +
variety +
membranous +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
7 +  and 13 +
extended +
0 cm0 mm <br />0 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
rhizomatous +  and stoloniferous +
plant +  and not cespitose +
aquatic +  and terrestrial +