familyPoaceae
subfamilyPoaceae subfam. Panicoideae
genusPanicum
subgenusPanicum subg. Agrostoidea
sectionPanicum sect. Obtusa
Show Lower Taxa
Panicum sect. Obtusa
Treatment appears in FNA Volume 25. Treatment on page 480.
Plants perennial; rhizomatous or stoloniferous. Culms wiry; nodes swollen, villous (especially on the stolons). Ligules membranous, papery. Panicles contracted; branches spikelike, appressed, 1-sided; pedicels 0.1-2.5 mm. Spikelets ellipsoid, paired. Lower glumes 3/4 - 4/5 as long as the spikelets, 5-7-veined; upper glumes and lower lemmas 7-11-veined, blunt; lower florets staminate; lower paleas large; upper florets large, with tiny hairs near the bases and apices, x = 10.
Discussion
Panicum sect. Obtusa includes only Panicum obtusum.
Selected References
None.
Lower Taxa
"decumbent" is not a number."varying" is not a number.
... more about "Panicum sect. Obtusa"
absent +
common +
absent +
bulliform +
absent +
membranous +
gaping +
apiculate +
puberulent +
absent +
absent +
arising +
single +
sulcate +
cormlike +
membranous +
thick +
separated +
adaxial +
secund +
appressed +
absent +
sterile +
spikelike +
absent +
sterile +
not developed +
absent +
isodiametric +
2;3 +
centrifugal +
sometimes longer +
small green +
wiry +
annual +
climbing +
floating +
decumbent +
herbaceous +
compressed +
narrow +
Conn. +, N.H. +, R.I. +, N.C. +, N.J. +, N.Y. +, Wash. +, Ala. +, Fla. +, W.Va. +, Mich. +, Del. +, D.C +, Wis. +, Iowa +, Pacific Islands (Hawaii) +, Colo. +, Ill. +, Maine +, Oreg. +, Utah +, Mass. +, Vt. +, Wyo. +, Puerto Rico +, N.Mex. +, Tex. +, La. +, Ind. +, Md. +, Miss. +, Pa. +, Va. +, Ark. +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Ky. +, Ariz. +, Idaho +, Tenn. +, S.C. +, Calif. +, Nev. +, Mo. +, Ga. +, Minn. +, Mont. +, Ohio +, Virgin Islands +, 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 +
plump +
absent +
herbaceous +
shorter +
shorter or longer +
subtending +
tuberculate +
unequal +
membranous +
equal +
well-developed +
lacking +
uncinate +
punctate +
axillary +
elongated +
spongy +
absent +
distichous +
cauline +
hyaline +
coriaceous +
absent +
free +
absent +
inconspicuous +
glabrous +
cuneate +
fleshy +
staminate +
sterile +
reduced +
5-7-veined +
minute +
hyaline +
absent +
large +
not thickened +
separated +
hyaline +
involute +
absent +
villous +
swollen +
absent +
glabrous +
clasping +
keeled +
contracted +
subterranean +
absent +
separating +
thin +
evident +
winter +
lunate +
absent +
higher +
kranz +
anatomy +
closed +
keeled +
complex +
bisexual +
unisexual +
sessile +
paired +
length +
attached +
absent +
glabrous +
many +
ellipsoid +
equaling +
Panicum sect. Obtusa +
Panicum subg. Agrostoidea +
section +
hyaline +
membranous +
bisexual +
large +
variable +
7-11-veined +
much longer +
absent +
blunt +
subequal +
shorter to much +
shiny +
7-11-veined +
blunt +
rugose +
absent +
perennial +
herbaceous +
variable +