Aristida purpurascens var. tenuispica

(Hitchc.) Allred
Treatment appears in FNA Volume 25. Treatment on page 340.
Revision as of 02:55, 30 July 2020 by imported>Volume Importer
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Lower sheaths shorter or longer than the internodes, glabrous; blades usually about 1 mm wide, usually not curling. Glumes 8-9 mm, subequal; awns 12-18 mm, of equal thickness, spirally contorted at the base, divergent.

Distribution

Ala., Ga., Miss., N.C., S.C., Fla.

Discussion

Aristida purpurascens var. tenuispica grows in pine and oak woods, prairies, and along roadsides, at low elevations and usually in sandy soils. Within the Flora region, it grows on the coastal plain from North Carolina to Mississippi. It also grows in Mexico and Honduras.

Selected References

None.

Lower Taxa

None.

"subequal" is not a number."decumbent" is not a number.

3 +  and 1 +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Kelly W. Allred +
(Hitchc.) Allred +
not disarticulating +  and coiled +
1 (?) +  and 3 (?) +
ascending +  and spreading +
not evident +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
keeled +  and rounded +
coiled +, disarticulating +  and twisted +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
not twisted +
straight +
brownish +  and pale green +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
usually linear +  and lanceolate occasionally ovate +
1 cm10 mm <br />0.01 m <br /> (?) +
spikelike +
well-developed +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
chestnut-brown +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
non-radiate +  and radiate +
erect +  and arcuate-reflexed +
sometimes thicker +
pilose +  and glabrous +
40 cm400 mm <br />0.4 m <br /> (100 cm1,000 mm <br />1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
not woody +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Ala. +, Ga. +, Miss. +, N.C. +, S.C. +  and Fla. +
large +  and small +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
subtending +
acute +  and acuminate +
subequal +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
20 cm200 mm <br />0.2 m <br /> (?) +  and 55 cm550 mm <br />0.55 m <br /> (?) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ascending +  and erect +
banded +, spotted +, gray +  and light tan +
scabridulous +
fusiform +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
coriaceous +
indistinguishable +
0.2 cm2 mm <br />0.002 m <br /> (?) +
inconspicuous +
appressed-pubescent +  and glabrous +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
concealed +  and prominent +
2 +  and 1 +
concealing +
0 +  and 1/2 +
dry +  and fleshy +
divaricate +  and divergent +
tightly appressed;loosely ascending +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
not prolonged +
pilose +  and glabrous +
1 (?) +  and Anatomy (?) +
fan--shaped +
1 +  and 3 +
triangular +  and dome--shaped +
2 (?) +  and 3 (?) +
Gramineae +
Aristida purpurascens var. tenuispica +
Aristida purpurascens +
variety +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
membranous +
plant +  and cespitose +
aquatic +  and terrestrial +