Setaria subg. Ptychophyllum

(A. Braun) Hitchc.
Treatment appears in FNA Volume 25. Treatment on page 543.

Plants usually robust perennials. Blades broad, plicate. Panicles usually loose; bristles solitary, subtending the terminal spikelet of each ultimate branchlet, occasionally present beneath the other spikelets. Spikelets 2.5-5 mm, slender, often acuminate.

Discussion

Setaria subg. Ptychophyllum is primarily an American taxon, but is also found in the Eastern Hemisphere. Three species, all introduced, have been found in the Flora region.

Selected References

None.

"broad" is not a number."decumbent" is not a number.

not penicillate +
anatomy +  and kranz +
James M. Rominger +
(A. Braun) Hitchc. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
non-radiate +  and radiate +
usually linear +  and lanceolate occasionally ovate +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
compressed +, ellipsoid +  and subglobose +
sometimes longer +
branched +  and solid +
decumbent +  and erect +
10 cm100 mm <br />0.1 m <br /> (600 cm6,000 mm <br />6 m <br />) +
Conn. +, N.J. +, N.Y. +, Wash. +, Utah +, W.Va. +, Mich. +, Del. +, D.C +, Wis. +, Iowa +, Pacific Islands (Hawaii) +, Md. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Kans. +, N.Dak. +, Nebr. +, N.Mex. +, Okla. +, S.Dak. +, Wyo. +, Puerto Rico +, Calif. +, Oreg. +, Tex. +, La. +, N.C. +, Tenn. +, S.C. +, Ala. +, Virgin Islands +, Pa. +, Mont. +, Miss. +, Ohio +, Va. +, Colo. +, Alaska +, Ark. +, Ariz. +, Ga. +, Idaho +, Ill. +, Ind. +, Ky. +, Minn. +, Mo. +, Nev. +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.S. +, N.W.T. +, Ont. +, P.E.I. +, Que. +, Sask. +  and Yukon +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
solid +  and hollow +
cauline +  and basal +
coriaceous +
membranous +
inconspicuous +
not constricted +
indurate +  and membranous +
rarely exceeding the upper lemmas +  and equaling +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
spikelike +
dry +  and fleshy +
subsessile +  and short pedicellate +
in triplets +  and paired +
1 +  and 60 +
unisexual +  and bisexual +
acuminate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 +  and 3 +
fused +  and free +
red +  and white +
fused +  and free +
dome--shaped +  and triangular +
Gramineae +
Setaria subg. Ptychophyllum +
subgenus +
membranous +
membranous +  and herbaceous +
not keeled +
reduced +
perennial +  and annual +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +