Amphicarpum muhlenbergianum

(Schult.) Hitchc.
Common names: Blue maidencane
Endemic
Treatment appears in FNA Volume 25. Treatment on page 387.

Plants perennial. Culms 30-100 cm, usually decumbent, sometimes erect. Leaves evenly distributed; sheaths usually glabrous, occasionally sparsely hirsute; blades to 10 (13) cm long, 5-10.5 mm wide, glabrous, margins white. Subterranean spikelets 6-9 mm, acuminate. Aerial panicles 3-20 cm; aerial spikelets 5.5-7 mm, narrowly lanceoloidal. 2n = 18.

Discussion

Amphicarpum muhlenbergianum grows in damp areas, such as dried pond bottoms, ditches, flatwoods, and swampy pinewoods of the southeastern United States.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number."elongated" is not a number.

Acute (?) +  and Acuminate (?) +
anatomy +  and kranz +
J.K. Wipff +
(Schult.) Hitchc. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
disarticulating +  and pseudopetiolate +
non-radiate +  and radiate +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
usually linear +  and lanceolate occasionally ovate +
5mm;10.5mm +
erect;ascending +
spikelike +
not developed +
well-developed +
immature +  and mature +
terete +  and compressed +
sometimes longer +
Blue maidencane +
branched +  and solid +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Md. +, N.J. +, N.C. +, Mass. +, S.C. +, Del. +, Ala. +, Fla. +, Va. +, Ga. +  and N.Y. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
not developed +
shorter or longer +
subtending +
unequal +
membranous +
uncinate +
bracteate +  and ebracteate +
subterranean +  and aerial +
solid +  and hollow +
distributed +
cauline +  and basal +
coriaceous +
membranous +
inconspicuous +
thin;thin +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
dry +  and fleshy +
not developed +
elongate +
hirsute +  and glabrous +
in triplets +  and paired +
aerial +  and subterranean +
acuminate +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1 (?) +  and 3 (?) +
fused +  and free +
2 (?) +  and 3 (?) +
dome--shaped +  and triangular +
Gramineae +
Amphicarpum muhlenbergianum +
Amphicarpum +
species +
membranous +
ellipsoidal +  and turgid +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +