Eustachys distichophylla

(Lag.) Nees
Introduced
Synonyms: Chloris distichophylla
Treatment appears in FNA Volume 25. Treatment on page 222.

Culms 60-140 cm, erect. Blades to 31 cm long, 10-15 mm wide, usually folded, apices obtuse. Panicles with 10-36 branches; branches 6-17 cm, flexible. Spikelets 2.4-3 mm; florets 2 (3). Lower glumes (1.2) 1.5-2 mm, lanceolate, apices acute; upper glumes 1.6-2.6 mm, narrowly oblong, apices truncate or bilobed, awned, awns 0.3-0.6 mm; calluses with a few hairs, hairs about 0.3 mm; lowest lemmas (2.2) 2.5-2.9 mm, lanceolate, not strongly keeled, keels glabrous, lateral-veins with strongly spreading, white, 1-1.8 mm hairs, apices acute to mucronate; second lemmas 1.2-2 mm, oblanceolate, apices obtuse, third rudimentary lemma occasionally present. Caryopses 1.1-1.2 mm. 2n = 40.

Discussion

Eustachys distichopbylla is native to South America, but is now established along sandy roadsides, fields, and waste areas in the southern United States.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Eustachys distichophylla"
purple +  and purple-red +
awned +, bilobed +  and truncate +
Obtuse (?) +, Acute (?) +  and Mucronate (?) +
Cynthia Aulbach +
(Lag.) Nees +
1 (?) +  and 3 (?) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
triquetrous +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
0 cm0 mm <br />0 m <br /> (31 cm310 mm <br />0.31 m <br />) +
pubescent +  and glabrous +
folded +  and flat +
10mm;15mm +
non-disarticulating +
spikelike +
pale +  and slightly reddish-purple-tinged +
trigonous-ellipsoid +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
triangular +  and dome--shaped +
sometimes longer +
membranous +
flattened +
60 cm600 mm <br />0.6 m <br /> (140 cm1,400 mm <br />1.4 m <br />) +
not woody +
Calif. +, Fla. +, Tex. +  and Ga. +
not waisted +
capillary +
stipitate +  and staminate +
sometimes longer +
rudimentary +
round +  and compressed +
reduced +
shorter or longer +
subtending +
unequal +
uncinate +
0.3 cm3 mm <br />0.003 m <br /> (?) +
paniculate +  and racemose +
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
not absent +
cauline +  and basal +
empty +  and stipitate +
rudimentary +
oblanceolate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
sometimes longer +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
inconspicuous +
somewhat smaller +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
light +  and dark-brown +
keeled +  and lanceolate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
concealed +  and prominent +
2 +  and 1 +
dry +  and fleshy +
spikelike +
equitant +  and distichous +
compressed +  and keeled +
Introduced +
subsessile +  and sessile +
1 +  and 60 +
compressed +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
scabridulous +  and scabrous +
Chloris distichophylla +
Eustachys distichophylla +
Eustachys +
species +
membranous +
purplish +, pale +  and green +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
7 +  and 13 +
scabridulous +
stoloniferous +  and rhizomatous +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +