Eustachys caribaea

(Spreng.) Herter
Common names: Chickenfoot grass
Treatment appears in FNA Volume 25. Treatment on page 222.

Culms 20-70 cm, erect. Blades 2-22 cm long, 4-10 mm wide, flat or folded, apices obtuse or mucronate. Panicles with 3-10 branches; branches 3-9 cm. Spikelets 2-2.5 mm; florets 2. Lower glumes 0.9-1.3 mm, acute; upper glumes 1.6-1.8 mm, obovate, apices bilobed, lobes obtuse, awned, awns 0.4-0.7 mm; calluses sparsely hairy; lowest lemmas 2.1-2.5 mm, ovate, tawny to reddish-brown at maturity, lateral-veins and keels with spreading, white, 0.5-1 mm hairs, apices mucronate; second lemmas 1.2-1.5 mm, obconic, truncate. Caryopses 1.1-1.2 mm. 2n = unknown.

Discussion

Eustachys caribaea has been introduced to the United States from South America. It is now established in North America, growing along roadsides at a few locations within the Flora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Eustachys caribaea"
purple +  and purple-red +
Mucronate (?) +  and Obtuse (?) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Cynthia Aulbach +
(Spreng.) Herter +
1 (?) +  and 3 (?) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
triquetrous +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
2 cm20 mm <br />0.02 m <br /> (22 cm220 mm <br />0.22 m <br />) +
pubescent +  and glabrous +
folded +  and flat +
4mm;10mm +
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 +
Chickenfoot grass +
flattened +
20 cm200 mm <br />0.2 m <br /> (70 cm700 mm <br />0.7 m <br />) +
not woody +
Pa. +, Miss. +, Tex. +, La. +, Calif. +, Puerto Rico +, Virgin Islands +, Ala. +, N.C. +, S.C. +, Pacific Islands (Hawaii) +, Ga. +, N.J. +, N.Y. +  and Fla. +
not waisted +
capillary +
stipitate +  and staminate +
sometimes longer +
rudimentary +
round +  and compressed +
reduced +
shorter or longer +
subtending +
unequal +
mucronate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
paniculate +  and racemose +
not absent +
cauline +  and basal +
empty +  and stipitate +
obconic +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 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 +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
tawny +  and reddish-brown +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
concealed +  and prominent +
2 +  and 1 +
dry +  and fleshy +
spikelike +
equitant +  and distichous +
compressed +  and keeled +
subsessile +  and sessile +
1 +  and 60 +
compressed +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
1 (?) +  and 3 (?) +
compound +  and simple +
2 (?) +  and 3 (?) +
scabridulous +  and scabrous +
Gramineae +
Eustachys caribaea +
Eustachys +
species +
membranous +
purplish +, pale +  and green +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
7 +  and 13 +
scabridulous +
stoloniferous +  and rhizomatous +
plant +  and cespitose +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +