familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusSchedonnardus
speciesSchedonnardus paniculatus
Schedonnardus paniculatus
Common names: Tumblegrass
Treatment appears in FNA Volume 25. Treatment on page 230.
Panicles 5-50 cm, rachises becoming curved; branches 2-8 (16) cm. Lower glumes 1.5-3 mm; upper glumes 1.5-4 (5.5) mm; lemmas 3-5 mm; anthers 0.7-1.4 mm. Caryopses 2.5-3.5 mm. 2n = 20, 30.
Distribution
Alta., Man., Sask., Wyo., Nev., Colo., N.Mex., Tex., La., Utah, Calif., Minn., Kans., N.Dak., Nebr., Okla., S.Dak., Mont., Pacific Islands (Hawaii), Ill., Miss., Iowa, Ariz., Mo., Ark., Wis.
Discussion
Schedonnardus paniculatus is frequently found in disturbed areas. At maturity, the panicle breaks at the base and functions as a tumbleweed for seed dispersal. It is often a conspicuous feature of deserted towns in films of the American West.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Schedonnardus paniculatus"
absent +
common +
absent +
bulliform +
absent +
membranous +
kranz +
absent +
absent +
arising +
close +
not fused +
membranous +
thick +
twisted +
folded +
stiff +
adaxial +
16 cm160 mm <br />0.16 m <br /> (?) +
1;many +
spikelike +
fusiform +
sometimes longer +
membranous +
single +
Tumblegrass +
branched +
curving +
annual +
climbing +
floating +
geniculate +
not woody +
reduced +
absent +
not waisted +
large +
hard +
capillary +
adjacent +
shorter +
sometimes longer +
bisexual +
reduced +
absent +
1-veined +
shorter +
shorter or longer +
subtending +
lanceolate +
unequal +
lacking +
coarse +
uncinate +
punctate +
Present +
pistillate +
distinct +
axillary +
solid +
pubescent +
elongate +
not absent +
distichous +
basal +
3-veined +
sometimes longer +
absent +
lanceolate +
membranous +
absent +
inconspicuous +
whitish +
scarious +
thick +
adjacent +
stiff +
coarse +
absent +
simple +
well-developed +
glabrous +
keeled +
subequal +
simple +
separating +
free +
spikelike +
curved +
evident +
open +
closed +
glabrous +
compressed-keeled +
sessile +
attached +
appressed +
distal +
absent +
sterile +
compressed +
absent +
separate +
staminate +
Schedonnardus paniculatus +
Schedonnardus +
species +
dioecious +
hyaline +
membranous +
absent +
perennial +
varied +