Alloteropsis cimicina

(L.) Stapf
Common names: Bugseed grass
Introduced
Synonyms: Coridochloa cimicina
Treatment appears in FNA Volume 25. Treatment on page 385.

Culms 15-75 cm. Sheaths hispid; ligules to 2 mm, membranous and ciliate; blades to 8 cm long, 15-25 mm wide, flat, cordate, hispid abaxially, glabrous adaxially, margins with papillose-based hairs. Panicles with 4-7 digitate branches; branches 2-16 cm. Spikelets 2.7-3.2 mm, subsessile; upper lemmas awned, awns 0.4-1.2 mm. 2n = 36.

Discussion

Alloteropsis cimicina is native to southeast Asia but has been collected in Alachua and Columbia counties, Florida, and Baltimore, Maryland. Being a weedy species, it should be sought at other disturbed locations along the east coast of the United States.

Selected References

None.

Lower Taxa

None.

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

... more about "Alloteropsis cimicina"
anatomy +  and kranz +
David W. Hall +
(L.) Stapf +
1 (?) +  and 3 (?) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
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 /> (8 cm80 mm <br />0.08 m <br />) +
glabrous +  and hispid +
cordate +
15mm;25mm +
spikelike +
not developed +
terete +  and compressed +
sometimes longer +
Bugseed grass +
erect +  and decumbent +
15 cm150 mm <br />0.15 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Md. +, Fla. +  and Miss. +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
acute +  and shortly awned +
unequal +
membranous +
papillose-based +
uncinate +
bracteate +  and ebracteate +
solid +  and hollow +
coriaceous +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
complex +  and simple +
concealed +  and prominent +
pubescent +  and glabrous +
2 +  and 1 +
subterranean +
dry +  and fleshy +
Introduced +
in triplets +  and paired +
1 +  and 60 +
unisexual +  and bisexual +
compressed +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
1 (?) +  and 3 (?) +
fused +  and free +
2 (?) +  and 3 (?) +
dome--shaped +  and triangular +
Coridochloa cimicina +
Alloteropsis cimicina +
Alloteropsis +
species +
membranous +
perennial +  and annual +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +