Tridens muticus var. muticus

Treatment appears in FNA Volume 25. Treatment on page 36.

Culms usually 20-50 cm. Blades 1-2 mm wide. Upper glumes 4-5 (6) mm, 1-veined.

Distribution

Ariz., N.Mex., Tex., Utah, Calif., Ark., Okla., Nev.

Discussion

Tridens muticus var. muticus is a common species on dry, sandy or clay soils in the arid southwestern United States and adjacent Mexico.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
rounded to truncate +
emarginate to bilobed +
Jesus Valdes-Reyna +
(Torr.) Nash +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
rhizomatous +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
pilose +, scabrous +  and glabrous +
attenuate +, infolded +  and involute +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spikelike +
pilose +  and glabrous +
reniform +  and compressed +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
triangular +  and dome--shaped +
sometimes longer +
membranous +
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +
not woody +
Ariz. +, N.Mex. +, Tex. +, Utah +, Calif. +, Ark. +, Okla. +  and Nev. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
5 +  and 11 +
sterile +  and bisexual +
round +  and compressed +
reduced +
purple-tinged +
shorter or longer +
subtending +
uncinate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
paniculate +  and racemose +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
hollow +  and solid +
not absent +
purple-tinged +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
membranous +
sometimes longer +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
adnate +  and free +
inconspicuous +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
pilose +  and strigose +
not thick +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
concealed +  and prominent +
2 +  and 1 +
pubescent +  and glabrous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
7cm +  and 20cm +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
dry +  and fleshy +
spikelike +
stoloniferous +
elongate +  and knotty +
crowded +  and imbricate +
1 +  and 60 +
compressed +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Triodia mutica +
Tridens muticus var. muticus +
Tridens muticus +
variety +
membranous +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
scabrous +  and glabrous +
ciliolate +, glabrous +  and hairy +
7 (?) +  and 13 (?) +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +