Show Lower Taxa
Dichanthelium sect. Oligosantha
Treatment appears in FNA Volume 25. Treatment on page 419.
Plants usually cespitose, often with caudices, clumps sometimes with only 1 culm. Basal rosettes well-differentiated. Culms 20-75 cm, with papillose-based hairs; fall phase branching from the mid-and upper culm nodes. Cauline leaves 4-7; sheaths glabrous or hirsute, hairs sometimes papillose-based; ligules 0.5-5 mm, of hairs, these often joined at the base into a thickened ring. Spikelets 2.5-4.3 mm, ellipsoid to obovoid, turgid. Upper glumes usually with an orange or purplish spot at the base, with 7-9 prominent veins. Upper florets umbonate, sometimes minutely so.
Discussion
Selected References
None.
"usually distinctly longer and narrower" is not a number."decumbent" is not a number.
... more about "Dichanthelium sect. Oligosantha"
absent +
common +
absent +
bulliform +
absent +
membranous +
absent +
absent +
arising +
single +
winter +
well-differentiated +
cormlike +
hard +
thick +
distinct +
adaxial +
rebranching +
absent +
sterile +
spikelike +
absent +
sterile +
not developed +
absent +
longer +
sometimes longer +
branching +
annual +
climbing +
floating +
herbaceous +
woody +
narrow +
Minn. +, Conn. +, N.J. +, N.Y. +, Wash. +, Ala. +, Mich. +, N.C. +, Pa. +, Puerto Rico +, S.C. +, W.Va. +, Ark. +, Iowa +, Kans. +, Mo. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Del. +, D.C +, Wis. +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Pacific Islands (Hawaii) +, Md. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Wyo. +, Miss. +, Ariz. +, N.Mex. +, Tex. +, La. +, Ga. +, Tenn. +, Calif. +, Nev. +, Colo. +, Ill. +, Ind. +, Va. +, Idaho +, Ohio +, Utah +, Mont. +, Oreg. + and Ky. +
1/2 +
waisted +
large +
hard +
capillary +
germination +
adjacent +
sometimes longer +
well-developed +
absent +
reduced +
bisexual +
absent +
gaping +
shorter +
shorter or longer +
subtending +
unequal +
membranous +
equal +
papillose-based +
absent +
lacking +
uncinate +
punctate +
axillary +
elongated +
absent +
distichous +
hyaline +
coriaceous +
true +
joined +
absent +
membranous +
free +
absent +
inconspicuous +
glabrous +
cuneate +
fleshy +
staminate +
sterile +
reduced +
1-5-veined +
absent +
thin +
separated +
hyaline +
involute +
absent +
absent +
glabrous +
keeled +
subterranean +
absent +
separating +
thin +
developing +
chasmogamous +
evident +
thickened +
cleistogamous +
small +
higher +
included +
small +
open +
closed +
complex +
bisexual +
unisexual +
sessile +
length +
attached +
absent +
varying +
simple +
convex +
Dichanthelium sect. Oligosantha +
Dichanthelium +
section +
hyaline +
membranous +
sessile +
bisexual +
umbonate +
plump +
5-11-veined +
not saccate +
slightly shorter +
absent +
subequal +
glabrous +
shiny +
chartaceous-indurate +
absent +
prominent +
rhizomatous +
perennial +
herbaceous +
various +