Calamovilfa longifolia var. longifolia

Treatment appears in FNA Volume 25. Treatment on page 142.

Sheaths usually glabrous, sometimes sparsely pubescent, rarely densely pubescent. Panicles to 55.5 cm long, usually 6.7-13.9 times as long as wide; branches to 23 cm long, erect or ascending, at least in the upper 1/3 of the panicle. Spikelets usually without a brownish cast, relatively closely imbricate.

Distribution

Colo., Iowa, Idaho, Kans., Mich., Minn., Mo., Mont., N.Dak., Nebr., N.Mex., S.Dak., Wyo., Wash., Alta., B.C., Man., Ont., Sask., Wis., Ill., Ind.

Discussion

Calamovilfa longifolia var. longifolia is a characteristic grass on the drier prairies of the interior plains, from southern Canada to northern New Mexico, with reports from southern Arizona. It also grows, as an adventive, in Washington, Wisconsin, Michigan, and Missouri.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.24 cm2.4 mm <br />0.0024 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
John W. Thieret +
(Hook.) Scribn. +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
0 cm0 mm <br />0 m <br /> (64 cm640 mm <br />0.64 m <br />) +
pubescent +  and glabrous +
tapering +  and elongate +
not disarticulating +
0cm +  and 23cm +
ascending;erect +
not spikelike +
triangular +  and dome--shaped +
sometimes longer +
membranous +
ascending +  and erect +
0 cm0 mm <br />0 m <br /> (240 cm2,400 mm <br />2.4 m <br />) +
not woody +
Colo. +, Iowa +, Idaho +, Kans. +, Mich. +, Minn. +, Mo. +, Mont. +, N.Dak. +, Nebr. +, N.Mex. +, S.Dak. +, Wyo. +, Wash. +, Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Wis. +, Ill. +  and Ind. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
bisexual +  and fertile +
round +  and compressed +
reduced +
straight +
shorter or longer +
subtending +
subequal +  and unequal +
1/4 +  and 7/8 +
uncinate +
paniculate +  and racemose +
hollow +  and solid +
not absent +
scale-like +
coriaceous +
straight +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.71 cm7.1 mm <br />0.0071 m <br />) +
sometimes longer +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
inconspicuous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
concealed +  and prominent +
2 +  and 1 +
0.44 cm4.4 mm <br />0.0044 m <br /> (0.69 cm6.9 mm <br />0.0069 m <br />) +
simple +  and open +
0cm +  and 55.5cm +
1.7 cm17 mm <br />0.017 m <br /> (26.4 cm264 mm <br />0.264 m <br />) +
dry +  and fleshy +
spikelike +
not prolonged +
pubescent +  and glabrous +
1 +  and 60 +
compressed +
0.5 cm5 mm <br />0.005 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
Ammophila longifolia +
Calamovilfa longifolia var. longifolia +
Calamovilfa longifolia +
variety +
membranous +
0.5 cm5 mm <br />0.005 m <br /> (0.82 cm8.2 mm <br />0.0082 m <br />) +
7 +  and 13 +
aquatic +  and terrestrial +