Opizia stolonifera

J. Presl
Common names: Acapulco grass
Introduced
Treatment appears in FNA Volume 25. Treatment on page 269.

Culms erect or geniculate. Sheaths mostly glabrous, often with a few hairs on either side of the collar; ligules 1-1.5 mm; blades to 10 cm long, 2-3 mm wide, glabrous abaxially, mostly glabrous or scabrous adaxially, midveins often with a few hairs. Staminate culms 5-15 (30) cm; panicles with 1-6 branches; branches 0.5-2 cm; spikelets 3-4 mm, glabrous; anthers 2-2.5 mm, pale. Pistillate culms to 10 cm; spikes with 6-12 spikelets (lower nodes sometimes with short branches); pistillate spikelets 2.8-4 mm; glumes to 3 mm; lemma bodies 2-2.5 mm, 3-lobed and 3-awned, awns 3.4-6.8 mm; palea keels exceeding the lemmas; rudiment 3-awned. 2n = unknown.

Discussion

Opizia stolonifera grows along dry roadsides in Florida. No pistillate plants have been found in the Flora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Opizia stolonifera"
1 +  and 3 +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Mary E. Barkworth +
J. Presl +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.68 cm6.8 mm <br />0.0068 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
scabrous +  and glabrous +
usually linear +  and lanceolate occasionally ovate +
2mm;3mm +
0mm +  and 6mm +
pectinate +  and spikelike +
triangular +  and dome--shaped +
sometimes longer +
membranous +
Acapulco grass +
pistillate +  and staminate +
geniculate +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
not woody +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
round +  and compressed +
reduced +
shorter or longer +
subtending +
unequal +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
uncinate +
pistillate +  and stoloniferous +
paniculate +  and racemose +
mat-forming +  and dimorphic +
hollow +  and solid +
not absent +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
coriaceous +
sometimes longer +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
membranous +
inconspicuous +
concealed +  and prominent +
2 +  and 1 +
dry +  and fleshy +
spikelike +
elongate +
Introduced +
6 +  and 12 +
compressed +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
Gramineae +
Opizia stolonifera +
species +
membranous +
7 +  and 13 +
perennial +  and annual +
aquatic +  and terrestrial +
dioecious +  and monoecious +
12 +, 10 +, 9 +, 8 +  and 7 +