familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusBouteloua
subgenusBouteloua subg. Bouteloua
speciesBouteloua curtipendula
Bouteloua curtipendula var. caespitosa
Treatment appears in FNA Volume 25. Treatment on page 254.
Plants cespitose, often with a knotty base, not or shortly rhizomatous. Culms in large or small clumps, stiffly erect. Blades usually narrow, but at least some over 2.5 mm wide. Panicles with 12-80 branches, averaging 2-7 spikelets per branch. Glumes and lemmas bronze or stramineous to green, or various shades of purple; anthers usually yellow or orange, occasionally red or purple. 2n = 58-103.
Distribution
Okla., N.Mex., Tex., Utah, Calif., Colo., Ariz.
Discussion
Bouteloua curtipendula var. caespitosa grows on loose, sandy or rocky, well drained limestone soils at 200-2500 m in the southwestern United States, Mexico, and South America. It frequently grows, and may hybridize, with B. warnockii.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Bouteloua curtipendula var. caespitosa"
absent +
common +
absent +
bulliform +
absent +
membranous +
entire +
kranz +
absent +
absent +
unequally-developed +
arising +
close +
not fused +
knotty +
membranous +
thick +
not pseudopetiolate +
adaxial +
pubescent +
scabrous +
narrow +
2.5 cm25 mm <br />0.025 m <br /> (?) +
racemose +
5 cm50 mm <br />0.05 m <br /> (?) +
deciduous +
reflexed +
12;80 +
spikelike +
not woody +
sometimes longer +
membranous +
single +
branched +
annual +
climbing +
floating +
decumbent +
erect +
not woody +
staminate +
sterile +
reduced +
variable +
bifurcate +
absent +
not waisted +
large +
hard +
capillary +
adjacent +
shorter +
3-veined +
sometimes longer +
2-veined +
rudimentary +
reduced +
absent +
1-veined +
purple +
shorter +
shorter or longer +
subtending +
unequal +
various +
papillose-based +
lacking +
coarse +
uncinate +
punctate +
Present +
pistillate +
distinct +
axillary +
elongate +
not absent +
distributed +
basal +
purple +
glabrous +
various +
sometimes longer +
absent +
membranous +
membranous +
absent +
inconspicuous +
usually shorter +
sterile +
3-veined +
rugose +
acute +
adjacent +
stiff +
coarse +
absent +
simple +
glabrous +
keeled +
secund +
separating +
free +
spikelike +
evident +
elongate +
flabellate +
open +
closed +
glabrous +
imbricate +
attached +
appressed +
distal +
absent +
bisexual +
alike +
absent +
separate +
staminate +
Bouteloua curtipendula var. caespitosa +
Bouteloua curtipendula +
variety +
dioecious +
hyaline +
membranous +
excurrent +
absent +
rhizomatous +
perennial +
synoecious +
various +