familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusBouteloua
subgenusBouteloua subg. Chondrosum
speciesBouteloua trifida
Bouteloua trifida var. burkii
Treatment appears in FNA Volume 25. Treatment on page 264.
Panicle branches ascending to divergent, rarely appressed. Lower glumes 1.7-3.1 mm, veins excurrent for 0.05-0.2 mm, usually not exceeding the apical lobes; upper glumes 1.9-3.2 mm, veins excurrent for 0.05-0.2 mm, usually not exceeding the apical teeth; lower lemmas conspicuously appressed-pubescent across the lower 2/3 - 4/5 and along most or all of the margins, awns 2.2-4.5 mm; anthers 0.2-0.3 mm. Caryopses 0.8-1.2 mm long, 0.5-0.6 mm wide, flat or slightly concave adaxially. 2n = 20.
Discussion
Bouteloua trifida var. burkii grows in southern New Mexico, southern Texas, and adjacent Mexico.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Bouteloua trifida var. burkii"
absent +
common +
absent +
bulliform +
absent +
membranous +
yellow +
kranz +
absent +
absent +
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 +
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 +
appressed-pubescent +
sterile +
appressed-pubescent +
adjacent +
stiff +
coarse +
absent +
simple +
glabrous +
keeled +
simple +
divergent +
persistent +
appressed +
ascending +
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. burkii +
Bouteloua trifida +
variety +
dioecious +
hyaline +
membranous +
glabrous +
excurrent +
absent +
rhizomatous +
perennial +
synoecious +
various +