Aristida ternipes var. gentilis

(Henrard) Allred
Common names: Hook threeawn
Synonyms: Aristida ternipes var. hamulosa Aristida hamulosa
Treatment appears in FNA Volume 25. Treatment on page 323.

Awns subequal to unequal, ascending to spreading; central awns 10-25 (30) mm; lateral awns (2) 6-23 mm. 2n = 44.

Distribution

Calif., Ariz., N.Mex., Tex.

Discussion

Aristida ternipes var. gentilis grows on dry slopes and plains and along roadsides from Californica to Texas and south through Mexico to Guatemala.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.12 cm1.2 mm <br />0.0012 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
Kelly W. Allred +
(Henrard) Allred +
not disarticulating +
1 (?) +  and 3 (?) +
straight +
ascending +  and spreading +
not evident +
subequal +  and unequal +
keeled +  and rounded +
coiled +, disarticulating +  and twisted +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
straight +
straight +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
flat +  and folded +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
spikelike +
well-developed +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
light brownish +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
non-radiate +  and radiate +
straight +  and arcuate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
strigillose +  and glabrous +
Hook threeawn +
unbranched +  and wiry +
erect +  and sprawling +
25 cm250 mm <br />0.25 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
not woody +
Calif. +, Ariz. +, N.Mex. +  and Tex. +
large +  and small +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
subtending +
acuminate +
subequal +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
15 cm150 mm <br />0.15 m <br /> (?) +  and 40 cm400 mm <br />0.4 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
cauline +  and basal +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
smooth to tuberculate-scabrous +
scabridulous +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
coriaceous +
narrowing +
indistinguishable +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
inconspicuous +
concealed +  and prominent +
2 +  and 1 +
concealing +
0 +  and 1/2 +
dry +  and fleshy +
5 cm50 mm <br />0.05 m <br /> (25 cm250 mm <br />0.25 m <br />) +
not prolonged +
strigillose +  and glabrous +
usually longer +
1 (?) +  and Anatomy (?) +
1 +  and 60 +
1 +  and 3 +
triangular +  and dome--shaped +
2 (?) +  and 3 (?) +
Aristida ternipes var. hamulosa +  and Aristida hamulosa +
Aristida ternipes var. gentilis +
Aristida ternipes +
variety +
membranous +
plant +  and cespitose +
aquatic +  and terrestrial +