Aristida ternipes var. ternipes
Common names: Spidergrass
Synonyms: Aristida ternipes var. minor
Treatment appears in FNA Volume 25. Treatment on page 323.
Awns markedly unequal; central awns 8-25 mm, straight to curving; lateral awns absent or to 2 mm, erect. 2n = 22, 44.
Distribution
Ariz., N.Mex., Tex.
Discussion
Aristida ternipes var. ternipes, like var. gentilis, grows on dry slopes and plains and along roadsides, but its range is somewhat different, extending from Arizona to Texas south through Mexico and Central America to South America.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Aristida ternipes var. ternipes"
absent +
of hairs +
absent +
bulliform +
absent +
membranous +
maturity +
3-awned +
wide +
absent +
kranz +
absent +
lacking +
not disarticulating +
absent +
reduced +
straight +
not evident +
equal +
close +
contorted +
hard +
thick +
twisted +
straight +
straight +
spikelike +
well-developed +
hirsute +
light brownish +
falling +
fusiform +
adaxial +
Spidergrass +
annual +
climbing +
floating +
not woody +
absent +
cleft +
hard +
capillary +
germination +
sometimes longer +
bisexual +
absent +
1-veined +
often longer +
subtending +
acuminate +
subequal +
thin +
scattered +
punctate +
Present +
not leafy +
paniculate +
hollow +
elongated +
erect +
absent +
obsolete +
0-2 mm +
reduced +
absent +
distichous +
narrowed +
twisted +
convolute +
overlapping +
glabrous +
smooth to tuberculate-scabrous +
scabridulous +
keeled +
coriaceous +
narrowing +
absent +
indistinguishable +
free +
absent +
inconspicuous +
glabrous +
membranous +
absent +
simple +
absent +
glabrous +
2-veined +
shorter +
maturity +
concealing +
absent +
keeled +
attached +
separating +
divaricate +
ascending +
absent +
not prolonged +
evident +
open +
closed +
usually longer +
absent +
glabrous +
congested +
attached +
bisexual +
compound +
free +
Aristida ternipes var. ternipes +
Aristida ternipes +
variety +
thin-walled +
slender +
hyaline +
membranous +
absent +
rhizomatous +
perennial +
herbaceous +