Leersia lenticularis

Michx.
Common names: Catchfly grass Oatmeal grass
Endemic
Treatment appears in FNA Volume 24. Treatment on page 44.

Plants perennial; rhizomatous, rhizomes moderately elongate, scaly. Culms 50-150 cm tall, 1-3 mm thick, usually ascending, unbranched or branched; nodes retrorsely hispidulous, adjacent portion of the internodes glabrous. Sheaths glabrous or scabrous; ligules 0.5-1.5 mm; blades 4-35 cm long, 5-22 mm wide, spreading to somewhat ascending, abaxial surfaces glabrous or scabridulous, adaxial surfaces glabrous or pubescent, margins usually scabrous. Panicles 4-25 cm, exserted, with 1 (2) branches per node; branches 8-15 cm, spreading, secund, lower branches naked on the lower 73, spikelets strongly imbricate. Spikelets 4-5.5 mm long, 3-4 mm wide, broadly elliptic to suborbicular. Lemmas coarsely ciliate on the keels, variously pubescent on the margins and body, mucronate; paleas ciliate on the keels; anthers 2. Caryopses 3.5-4 mm, reddish-brown. 2n = 48.

Distribution

Md., Tenn., Okla., Miss., Tex., La., Mo., Minn., Ala., Wis., Kans., N.C., S.C., Va., Ark., Ill., Ga., Ind., Iowa, Ky., Fla., Ohio

Discussion

Leersia lenticularis grows in river bottoms and moist woods of the midwestern and southeastern United States. It flowers from July to November. Ohio and Maryland list it as an endangered species.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Leersia lenticularis"
pubescent +  and glabrous +
Grant L. Pyrah +
Michx. +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
4 cm40 mm <br />0.04 m <br /> (35 cm350 mm <br />0.35 m <br />) +
not evident +
linear +  and broadly lanceolate flat or folded +
0.5 cm5 mm <br />0.005 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
spikelike +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
not stipelike +
Catchfly grass +  and Oatmeal grass +
branched +  and unbranched +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Md. +, Tenn. +, Okla. +, Miss. +, Tex. +, La. +, Mo. +, Minn. +, Ala. +, Wis. +, Kans. +, N.C. +, S.C. +, Va. +, Ark. +, Ill. +, Ga. +, Ind. +, Iowa +, Ky. +, Fla. +  and Ohio +
capillary +
sometimes longer +
sterile +, fertile +, sexual +, unisexual +  and bisexual +
linear +  and suborbicular +
cylindrical +, oblong +  and ovoid +
subtending +
reduced +
uncinate +
solid +  and hollow +
aerenchymatous +
distributed +
mucronate +
subequal +
chartaceous +  and coriaceous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
membranous +
annular +
inconspicuous +
fleshy +  and membranous +
complex +  and simple +
concealed +  and prominent +
hispidulous +
2 +  and 1 +
well-developed +
glabrous +  and ciliate-hispid +
1-keeled +
subequal +
chartaceous +  and coriaceous +
4 cm40 mm <br />0.04 m <br /> (25 cm250 mm <br />0.25 m <br />) +
dry +  and fleshy +
not prolonged +
scabrous +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
[9/10] +, /2 +  and 1 +
broadly elliptic +  and suborbicular +
3mm +  and 4mm +
1 +  and 3 +
simple +  and compound +
2 (?) +  and 3 (?) +
triangular +  and dome--shaped +
Gramineae +
Leersia lenticularis +
species +
membranous +
aquatic +  and terrestrial +