Leptochloa panicea subsp. mucronata

(Michx.)
Common names: Mississippi sprangletop
Synonyms: Leptochloa mucronata Leptochloa filiformis var. attenuata Leptochloa attenuata
Treatment appears in FNA Volume 25. Treatment on page 58.

Culms to 110 cm. Ligules 0.6-1 mm; blades 5-9 mm wide. Glumes exceeding the florets, linear to narrowly lanceolate; lemmas 0.9-1.2 mm, glabrous or sparsely sericeous along the veins. Caryopses 0.8-0.9 mm, with¬out a ventral groove, sometimes coarsely rugose, apices broadly obtuse. 2n = unknown.

Discussion

Leptochloa panicea subsp. mucronata grows in the southern portion of the United States, primarily from Kansas and Missouri through Texas and Louisiana.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
bilobed +  and entire +
Neil Snow +
(Michx.) +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
pilose +  and glabrous +
usually linear +  and lanceolate occasionally ovate +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
subdigitate +, digitate +  and non-disarticulating +
ascending;reflexed +
spikelike +
1 cm10 mm <br />0.01 m <br /> (19 cm190 mm <br />0.19 m <br />) +
pubescent +  and glabrous +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
triangular +  and dome--shaped +
sometimes longer +
membranous +
Mississippi sprangletop +
compressed +
0 cm0 mm <br />0 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
not woody +
Ark. +, Miss. +, Tenn. +, Fla. +, Puerto Rico +, N.J. +, Ala. +, Ariz. +, Calif. +, Ga. +, Ill. +, Kans. +, Ky. +, La. +, Mo. +, N.C. +, N.Mex. +, Okla. +, S.C. +, Tex. +, S.Dak. +, Pa. +, Nev. +, Va. +, Colo. +, Virgin Islands +, Ind. +, Mass. +, Ohio +  and Utah +
not waisted +
capillary +
not disarticulating +
sometimes longer +
2 +  and 5 +
round +  and compressed +
reduced +
shorter or longer +
subtending +
linear +  and narrowly lanceolate +
subequal +  and unequal +
membranous +
papillose-based +
uncinate +
paniculate +  and racemose +
not absent +
sericeous +  and glabrous +
acute +  and obtuse +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
membranous +
sometimes longer +
obtuse +  and attenuate +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
inconspicuous +
linear +  and lanceolate +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
concealed +  and prominent +
2 +  and 1 +
sericeous +  and glabrous +
subequal +
membranous +
8 cm80 mm <br />0.08 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dry +  and fleshy +
spikelike +
distant +  and imbricate +
maroon +, magenta +  and green +
1 +  and 60 +
rounded +  and slightly keeled +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Leptochloa mucronata +, Leptochloa filiformis var. attenuata +  and Leptochloa attenuata +
Leptochloa panicea subsp. mucronata +
Leptochloa panicea +
subspecies +
membranous +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
7 (?) +  and 13 (?) +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +