Sporobolus vaginiflorus var. ozarkanus

(Fernald)
Common names: Ozark dropseed
Synonyms: Sporobolus ozarkanus Sporobolus neglectus var. ozarkanus
Treatment appears in FNA Volume 25. Treatment on page 119.
Revision as of 03:32, 30 July 2020 by imported>Volume Importer
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Sheath bases sparsely hairy, hairs papillose-based. Spikelets 2.3-4.6 mm. Glumes usually longer than the florets; lemmas 2.1-3.9 mm, faintly 3-veined; paleas 2.1-4 mm. Fruits 1.1-2 mm.

Distribution

Ont., Miss., Tex., La., Mo., N.C., Ala., Kans., Ohio, Okla., W.Va., Tenn., Ark., Ill., Ga., Ind., Va., Ky.

Discussion

Sporobolus vaginiflorus var. ozarkanus grows primarily in the central and southeastern United States.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

quadrangular +, fusiform +, obovoid +  and ellipsoid +
purplish +  and yellowish +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
acute +  and acuminate +
grayish +  and purplish +
Paul M. Peterson +, Stephan L. Hatch +  and Alan S. Weakley +
(Fernald) +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
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 /> (12 cm120 mm <br />0.12 m <br />) +
scabridulous +
flat +  and loosely involute +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spikelike +
triangular +  and dome--shaped +
sometimes longer +
membranous +
Ozark dropseed +
erect +  and decumbent +
15 cm150 mm <br />0.15 m <br /> (60 cm600 mm <br />0.6 m <br />) +
not woody +
Ont. +, Miss. +, Tex. +, La. +, Mo. +, N.C. +, Ala. +, Kans. +, Ohio +, Okla. +, W.Va. +, Tenn. +, Ark. +, Ill. +, Ga. +, Ind. +, Va. +  and Ky. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
bisexual +  and fertile +
round +  and compressed +
reduced +
1.1 cm11 mm <br />0.011 m <br /> (?) +
light brownish +
flattened +  and obovoid +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
usually longer +
subtending +
linear-lanceolate +  and lanceolate-triangular or ovate +
subequal +
membranous to chartaceous +
papillose-based +
uncinate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
paniculate +  and racemose +
hollow +  and solid +
not absent +
lanceolate +  and lanceolate-triangular +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.39 cm3.9 mm <br />0.0039 m <br />) +
chartaceous +  and membranous +
sometimes longer +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
inconspicuous +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
scabridulous +  and smooth +
concealed +  and prominent +
2 +  and 1 +
lanceolate +  and lanceolate-triangular +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1cm +  and 5cm +
cylindrical +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
scabridulous +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
mucilaginous +
adherent +  and free +
dry +  and fleshy +
0.4 cm4 mm <br />0.004 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
spikelike +
inflated +
yellowish +  and purplish or grayish-mottled +
1 +  and 60 +
rounded +  and laterally compressed +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Sporobolus ozarkanus +  and Sporobolus neglectus var. ozarkanus +
Sporobolus vaginiflorus var. ozarkanus +
Sporobolus vaginiflorus +
variety +
membranous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
quadrangular +, fusiform +, obovoid +  and ellipsoid +
7 (?) +  and 13 (?) +
stoloniferous +  and rhizomatous +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +