Sporobolus compositus var. macer

(Trin.) Kartesz & Gandhi
Synonyms: Sporobolus asper var. macer
Treatment appears in FNA Volume 25. Treatment on page 122.
Revision as of 03:33, 30 July 2020 by imported>Volume Importer
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Plants rhizomatous. Culms slender, 0.7-2.2 mm thick at the base. Uppermost sheath 0.7-2.5 mm wide. Panicles with 15-42 spikelets per cm2 when pressed. Fruits 1.3-1.6 mm.

Distribution

Kans., Mo., Okla., Tex., La., Ark., Miss.

Discussion

Sporobolus compositus var. macer is known only from the south central United States.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

108 +, 88 +  and 54 +
pilose +  and glabrous +
quadrangular +, fusiform +, obovoid +  and ellipsoid +
yellow +  and orangish +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Paul M. Peterson +, Stephan L. Hatch +  and Alan S. Weakley +
(Trin.) Kartesz & Gandhi +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
5 cm50 mm <br />0.05 m <br /> (70 cm700 mm <br />0.7 m <br />) +
pubescent +  and glabrous +
0.15 cm1.5 mm <br />0.0015 m <br /> (1 cm10 mm <br />0.01 m <br />) +
spikelike +
triangular +  and dome--shaped +
sometimes longer +
membranous +
slender +
30 cm300 mm <br />0.3 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
not woody +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Kans. +, Mo. +, Okla. +, Tex. +, La. +, Ark. +  and Miss. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
bisexual +  and fertile +
round +  and compressed +
reduced +
reddish-brown +
flattened +  and ellipsoid +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
shorter or longer +
subtending +
lanceolate +
subequal +
membranous +  and chartaceous +
uncinate +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
paniculate +  and racemose +
hollow +  and solid +
not absent +
3-veined +, 2-veined +  and smooth +
acute +  and obtuse +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
membranous +  and chartaceous +
sometimes longer +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
inconspicuous +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
concealed +  and prominent +
2 +  and 1 +
ovate +  and lanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
membranous +
5cm +  and 30cm +
spikelike +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
scabridulous +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
mucilaginous +
adherent +  and free +
0.4 cm4 mm <br />0.004 m <br /> (6 cm60 mm <br />0.06 m <br />) +
spikelike +
stramineous +  and purplish-tinged +
15 +  and 42 +
rounded +  and laterally compressed +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Sporobolus asper var. macer +
Sporobolus compositus var. macer +
Sporobolus compositus +
variety +
membranous +
slightly shorter or longer +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
quadrangular +, fusiform +, obovoid +  and ellipsoid +
7 (?) +  and 13 (?) +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +