Eragrostis trichodes
Eragrostis scaligera
sand lovegrass
tender lovegrass
30-120 (160) cm, erect, glabrous and non-glandular below the nodes.
25-75 cm, erect, glabrous below the nodes.
sometimes villous along the margins, apices hairy, hairs to 5 mm;
ligules 0.3-0.5 mm;
blades 15-46(65) cm long, 1.5-8 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous, sometimes also pilose on the basal 1/4, hairs to 4 mm.
glabrous or with hairy apices, hairs to 4 mm;
ligules 0.1-0.3 mm, ciliate;
blades 4-8(18) cm long, 1-2 mm wide, involute, frequently deciduous, adaxial surfaces mostly glabrous, sometimes pilose near the base.
30-80 cm long, 6-30 cm wide, oblong to ovoid, diffuse;
primary branches 2-35 cm, diverging 20-90° from the rachises, naked basally;
pulvini hairy or glabrous;
pedicels 2-22 cm, diverging, capillary.
terminal and axillary;
terminal panicles 5-15 cm long, (1)2-10(12) cm wide, narrowly ovate, open;
axillary panicles 2-5 cm long, 0.3-0.6 cm wide, usually contracted and partially to completely enclosed by the subtending sheath;
primary branches 1-10 cm, appressed or diverging up to 90° from the rachises, wiry;
pulvini glabrous or hairy;
pedicels 0.3-5 mm, appressed, flattened.
3-15 mm long, 1.5—3.6 mm wide, ovate to lanceolate, greenish-yellow with a reddish-purple tinge, with (2)4-18 florets;
disarticulation acropetal, paleas persistent.
6-15(27) mm long, 1.6-2.4 mm wide, ovate-lanceolate, plumbeous to greenish, often with a reddish-purple tinge, with 10-35(45) florets;
disarticulation acropetal, glumes first, then the lemmas, paleas persistent.
subequal, 1.8-4 mm, narrowly ovate to linear-lanceolate, membranous, apices acuminate;
upper glumes as long as or longer than the basal lemmas;
lemmas 2.2-3.5 mm, broadly ovate to lanceolate, membranous, strongly keeled, keels not glandular, lateral veins conspicuous, apices acute;
paleas 1.8-2.8 mm, hyaline, narrower than the lemmas, keels ciliolate, apices obtuse to truncate;
anthers 3, 1-1.6 mm, purplish.
lanceolate to ovate, membranous;
lower glumes 1.4-2.1 mm;
upper glumes 1.6-2.2 mm;
lemmas (1.7)2-2.5 mm, broadly ovate, leathery, apices acute to acuminate;
paleas 1.1-1.7 mm, hyaline, apices obtuse to truncate;
anthers 2, 0.3-0.7 mm, reddish-purple.
0.8-1.3 mm, rectangular-prismatic, somewhat laterally compressed, with a wide, deep adaxial groove, faintly striate, opaque, dark reddish-brown.
0.5-0.6 mm, globose, not grooved, smooth, light reddish-brown.
= 40.
= 40.
Eragrostis trichodes
Eragrostis scaligera
Eragrostis trichodes grows in sandy to gravelly prairies, open sandy woods, rocky slopes, and roadsides, at 100-2150 m, often in associations with Quercus marilandica, Q. stellata, Juniperus, and Redfieldia flexuosa. It is endemic to the contiguous United States, and is available commercially as an ornamental. Records from outside the primary range probably reflect introductions.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis scaligera is known from Lee and Collier counties, Florida, where it grows in sandy areas in the coastal scrub zone and along adjacent roadsides, at 0-10 m. It is native to French Guiana and Brazil.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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