familyPoaceae
subfamilyPoaceae subfam. Panicoideae
genusSetaria
subgenusSetaria subg. Setaria
speciesSetaria pumila
subspeciesSetaria pumila subsp. pallidefusca
Setaria pumila subsp. pallidefusca
Synonyms: Setaria pallidefusca
Treatment appears in FNA Volume 25. Treatment on page 558.
Blades dark green. Bristles reddish. Spikelets 2-2.5 mm. 2n = 18, 36, 54, 72.
Discussion
Setaria pumila subsp. pallidefusca is native to tropical Africa. It is now established as a weed in south¬eastern Louisiana, but it has also been collected in the past on ballast dumps in Portland, Oregon.
Reports of S. nigrirostris (Nees) T Durand & Schinz in North America have not been verified. It differs from S. pumila in being a rhizomatous perennial with spikelets 3.5-5 mm long and bristles with thickened tips (those of S. pumila are slender throughout). It is a native of southern Africa.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number."thick" is not a number.
... more about "Setaria pumila subsp. pallidefusca"
absent +
common +
absent +
bulliform +
absent +
membranous +
not penicillate +
absent +
absent +
arising +
single +
membranous +
thick +
twisted +
folded +
dark green +
adaxial +
involute +
20 cm200 mm <br />0.2 m <br /> (?) +
secund +
single +
spikelike +
reddish +
persistent +
scabrous +
4;12 +
not developed +
absent +
small +
sometimes longer +
annual +
climbing +
floating +
decumbent +
woody +
narrow +
Va. +, Colo. +, Mass. +, Tex. +, La. +, Ohio +, Ariz. +, Utah +, Ala. +, D.C. +, Ark. +, Calif. +, Conn. +, Del. +, Fla. +, Ga. +, Pacific Islands (Hawaii) +, Iowa +, Idaho +, Ill. +, Ind. +, Kans. +, Ky. +, Md. +, Maine +, Mich. +, Minn. +, Mo. +, Miss. +, Mont. +, N.C. +, N.Dak. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, Nev. +, N.Y. +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Vt. +, Wash. +, Wis. +, W.Va. +, Wyo. +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, Ont. +, P.E.I. +, Que. + and Sask. +
1/2 +
waisted +
large +
hard +
capillary +
germination +
adjacent +
sometimes longer +
well-developed +
absent +
reduced +
bisexual +
absent +
shorter +
shorter or longer +
subtending +
unequal +
membranous +
equal +
papillose-based +
lacking +
uncinate +
punctate +
Present +
axillary +
elongated +
absent +
distichous +
hyaline +
coriaceous +
absent +
membranous +
free +
absent +
inconspicuous +
glabrous +
cuneate +
fleshy +
staminate +
sterile +
reduced +
3-veined +
not saccate +
acute +
membranous +
5-7-veined +
absent +
not constricted +
equaling +
hyaline +
membranous +
broad +
separated +
hyaline +
involute +
absent +
absent +
glabrous +
keeled +
spicate +
contracted +
dense +
subterranean +
erect +
spikelike +
absent +
separating +
evident +
hispid +
higher +
open +
closed +
glabrous +
Introduced +
complex +
bisexual +
unisexual +
length +
intact +
attached +
falling +
subtending +
absent +
turgid +
varying +
simple +
Setaria pumila subsp. pallidefusca +
Setaria pumila +
subspecies +
hyaline +
membranous +
staminate +
bisexual +
5-veined +
absent +
ovate +
subequal +
maturity +
exposed +
rugose +
indurate +
equaling +
rugose +
indurate +
maturity +
absent +
not keeled +
rhizomatous +
annual +
herbaceous +
various +