familyPoaceae
subfamilyPoaceae subfam. Panicoideae
genusPanicum
subgenusPanicum subg. Phanopyrum
sectionPanicum sect. Hemitonia
Show Lower Taxa
Panicum sect. Hemitonia
Treatment appears in FNA Volume 25. Treatment on page 434.
Plants perennial; aquatic or semiaquatic, rhizomatous, rhizomes extensive. Culms erect or sprawling, often sterile. Ligules membranous and ciliate, or lacerate. Panicles narrow; branches few, spikelike, erect; ultimate branchlets 1-sided; pedicels less than 2 mm long, appressed. Spikelets lanceoloid, laterally compressed, glabrous; lower florets staminate; upper lemmas thin, flexible, whitish, clasping the paleas only near the base, x = 9.
Discussion
Panicum sect. Hemitonia includes only P. hemitomon.
Selected References
None.
Lower Taxa
"decumbent" is not a number.
... more about "Panicum sect. Hemitonia"
absent +
common +
absent +
bulliform +
absent +
membranous +
gaping +
apiculate +
puberulent +
absent +
absent +
arising +
single +
sulcate +
cormlike +
membranous +
thick +
adaxial +
secund +
erect +
absent +
few +
sterile +
spikelike +
absent +
sterile +
not developed +
absent +
sometimes longer +
small green +
annual +
robust +
climbing +
floating +
decumbent +
herbaceous +
sterile +
succulent +
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 +
paired +
herbaceous +
shorter +
shorter or longer +
subtending +
tuberculate +
unequal +
membranous +
equal +
various +
lacking +
uncinate +
punctate +
axillary +
elongated +
spongy +
absent +
distichous +
cauline +
hyaline +
coriaceous +
absent +
membranous +
free +
absent +
inconspicuous +
glabrous +
cuneate +
fleshy +
staminate +
sterile +
reduced +
3-veined +
minute +
hyaline +
absent +
separated +
hyaline +
involute +
absent +
parenchymatous +
absent +
unspecialized +
absent +
glabrous +
clasping +
keeled +
subterranean +
narrow +
absent +
appressed +
separating +
thin +
evident +
extensive +
winter +
lunate +
higher +
thick-walled +
anatomy +
closed +
complex +
bisexual +
unisexual +
sessile +
length +
attached +
absent +
glabrous +
equaling +
Panicum sect. Hemitonia +
Panicum subg. Phanopyrum +
section +
hyaline +
membranous +
stipitate +
pubescent +
rugose +
bisexual +
5-veined +
much longer +
absent +
subequal +
shorter to much +
whitish +
pliable +
shiny +
thin +
5-veined +
rugose +
absent +
rhizomatous +
perennial +
herbaceous +
variable +