Dichanthelium sect. Lancearia

(Hitchc.) Freckmann & Lelong
Treatment appears in FNA Volume 25. Treatment on page 441.

Plants usually densely cespitose, with caudices. Basal rosettes usually well-differentiated. Culms slender, usually purplish and puberulent; fall phase often profusely branched and rebranched. Cauline leaves 8-14; sheaths usually purplish and puberulent; ligules less than 0.5 mm, of hairs; blades usually purplish and puberulent. Primary panicles exserted. Spikelets 1.5-2.6 mm, obovoid-pyriform, planoconvex in side view, bases attenuate. Lower glumes thin, weakly veined, attached about 0.2 mm below the upper glumes, clasping at the base. Upper florets subacute.

Discussion

Only one species of sect. Lancearia, Dichanthelium portoricense, grows in the Flora region.

Selected References

None.

"usually distinctly longer and narrower" is not a number."decumbent" is not a number.

rounded +  and attenuate +
anatomy +  and kranz +
Mary E. Barkworth +
(Hitchc.) Freckmann & Lelong +
1 (?) +  and 3 (?) +
keeled +  and rounded +
well-differentiated +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
attenuate +
swelling +
disarticulating +  and pseudopetiolate +
non-radiate +  and radiate +
distinct +
shortly ovate +  and lanceolate +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
terete +  and compressed +
sometimes longer +
rebranched +  and branched +
decumbent +  and sprawling +
spreading +, ascending +  and erect +
puberulent +
slender +
5 cm50 mm <br />0.05 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
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. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Oval (?) +  and Round (?) +
bracteate +  and ebracteate +
solid +  and hollow +
cauline +  and basal +
coriaceous +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
inconspicuous +
1/5 +  and 3/4 +
acuminate +, acute +  and truncate +
0.2 cm2 mm <br />0.002 m <br /> (?) +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
dry +  and fleshy +
in triplets +  and paired +
1 +  and 60 +
unisexual +  and bisexual +
planoconvex +  and obovoid-pyriform +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Gramineae +
Dichanthelium sect. Lancearia +
Dichanthelium +
section +
membranous +
chartaceous-indurate +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +