familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusBouteloua
subgenusBouteloua subg. Chondrosum
speciesBouteloua trifida
Bouteloua trifida var. trifida
Treatment appears in FNA Volume 25. Treatment on page 264.
Revision as of 03:47, 30 July 2020 by imported>Volume Importer
Panicle branches appressed to ascending, occasionally divergent. Lower glumes 2.2-3.4 mm, midveins excurrent for 0.1-0.6 mm; upper glumes 2.7-4 mm, midveins excurrent for 0.2-1 mm; lower lemmas glabrous or sparsely appressed-pubescent along both sides of the veins, awns (3.2) 4-6.6 mm; anthers 0.3-0.4 mm. Caryopses 1.3-1.5 mm long, 0.4-0.5 mm wide, grooved adaxially. 2n = unknown.
Distribution
Utah, Calif., Ariz., Nev., N.Mex., Tex.
Discussion
Bouteloua trifida var. trifida grows in dry plains and rocky slopes, mostly at 300-1500 m, from southern California, Nevada, and Utah to Texas and Mexico.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Bouteloua trifida var. trifida"
absent +
common +
absent +
bulliform +
absent +
membranous +
yellow +
kranz +
absent +
absent +
3.2 cm32 mm <br />0.032 m <br /> (?) +
well-developed +
arising +
equal +
close +
not fused +
membranous +
thick +
not pseudopetiolate +
adaxial +
scabridulous +
racemose +
75 cm750 mm <br />0.75 m <br /> (?) +
persistent +
appressed;ascending;appressed;ascending;spreading +
2;7 +
spikelike +
not woody +
grooved +
sometimes longer +
membranous +
single +
wiry +
annual +
climbing +
floating +
erect +
geniculate +
not woody +
staminate +
sterile +
reduced +
varying +
absent +
not waisted +
large +
hard +
capillary +
adjacent +
shorter +
3-veined +
sometimes longer +
2-veined +
rudimentary +
bisexual +
reduced +
absent +
1-veined +
bilobed +
shorter +
shorter or longer +
subtending +
lacking +
coarse +
uncinate +
punctate +
Present +
pistillate +
distinct +
axillary +
elongate +
not absent +
distichous +
basal +
sometimes longer +
absent +
membranous +
veined +
tapering +
membranous +
absent +
inconspicuous +
slightly shorter +
glabrous +
trilobed +
sterile +
appressed-pubescent +
adjacent +
stiff +
coarse +
absent +
simple +
excurrent +
glabrous +
keeled +
simple +
divergent +
persistent +
separating +
free +
spikelike +
glabrous +
evident +
elongate +
flabellate +
open +
closed +
persistent +
glabrous +
scabridulous +
flattened +
imbricate +
reddish-purple +
dense +
attached +
appressed +
distal +
absent +
bisexual +
pectinate +
absent +
separate +
staminate +
Bouteloua trifida var. trifida +
Bouteloua trifida +
variety +
dioecious +
hyaline +
membranous +
glabrous +
excurrent +
absent +
rhizomatous +
perennial +
synoecious +
various +