Eragrostis intermedia
Eragrostis elliottii
plains lovegrass
Elliott's lovegrass, field lovegrass
(30)40-90(110) cm, erect, glabrous below the nodes.
25-80 cm, erect, glabrous and shiny below the basal nodes.
sparsely pilose on the margins, apices hairy, hairs to 8 mm, not papillose-based;
ligules 0.2-0.4 mm;
blades (4)10-20(30) cm long, 1-3 mm wide, flat or involute, abaxial surfaces glabrous, adaxial surfaces densely hairy behind the ligules, elsewhere usually glabrous, occasionally sparsely hairy.
sparsely hairy at the apices, hairs to 6 mm;
ligules 0.2-0.4 mm;
blades 6-30(52) cm long, 2-4.5 mm wide, flat, abaxial surfaces glabrous, adaxial surfaces scabridulous, sometimes with a few scattered hairs near the base.
15-40 cm long, (8.5)15-30 cm wide, ovate, open;
primary branches 4-25 cm, diverging 20-90° from the rachises, capillary;
pulvini hairy or glabrous;
pedicels 2-14 mm, divergent.
(25)30-60 cm long, 15—45 cm wide, broadly ovate to obovate, open, diffuse;
primary branches mostly 5-25(32) cm, diverging 20-90° from the rachises, capillary;
pulvini hairy;
pedicels (4)10-35(50) mm, widely diverging, capillary, all the pedicels on each branch longer than the spikelets.
3-7 mm long, 1-1.8 mm wide, narrowly lanceolate, olivaceous to purplish, with (3)5-11 florets;
disarticulation acropetal, paleas persistent.
4-18 mm long, 1.4-3 mm wide, linear-lanceolate, grayish-green or stramineous to purplish, with (6)9-30 florets;
disarticulation acropetal, below the lemmas, paleas persistent.
lanceolate to ovate, hyaline to membranous;
lower glumes 1.1-1.7 mm, narrower than the upper glumes;
upper glumes 1.3-2 mm, apices acuminate to acute;
lemmas 1.6-2.2 mm, ovate, membranous, hyaline near the margins, lateral veins inconspicuous, apices acute;
paleas 1.4-2.1 mm, hyaline, narrower than the lemmas, apices obtuse to acute;
anthers 3, 0.5-0.8 mm, purplish.
narrowly lanceolate, membranous;
lower glumes 1.1-3.4 mm;
upper glumes 1.6-3.4 mm, apices acuminate;
lemmas 1.8-4.4 mm, lanceolate, membranous, lateral veins evident to inconspicuous, sometimes greenish, apices acute to acuminate;
paleas 1.1-3.5 mm, hyaline to membranous, narrower than the lemmas, apices obtuse;
anthers 2, 0.3-0.8 mm, purplish or brownish.
0.5-0.9 mm, rectangular-prismatic, somewhat laterally compressed, with a well-developed adaxial groove, striate, opaque, reddish-brown.
0.6-0.8 mm, ovoid to ellipsoid, finely striate, reddish-brown.
= ca. 54, 60, 72, ca. 74, 80, 100, 120.
= unknown.
Eragrostis intermedia
Eragrostis elliottii
Eragrostis intermedia grows in clay, sandy, and rocky soils, often in disturbed sites, at 0-1850 m. Its range extends from the United States through Mexico and Central America to South America. Eragrostis intermedia is similar to the more widespread E. lugens, but differs from that species in having wider spikelets, longer lemmas, and caryopses with a prominent adaxial groove.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis elliottii grows in sandy pinelands and live-oak woodlands on the coastal plain, at 0-150 m. Its range extends from the southeastern United States through the West Indies and Gulf coast of Mexico to Central and South America.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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