Eragrostis ciliaris
Eragrostis polytricha
gophertail lovegrass
hairysheath lovegrass
(3)9-75 cm, erect or geniculate in the lower portion, not rooting at the lower nodes, glabrous.
30-62 cm, erect, glabrous and shiny below the nodes.
hairy on the margins and at the apices, hairs to 4 mm;
ligules 0.2-0.5 mm;
blades 1.8-12(15) cm long, 2-5 mm wide, usually flat, occasionally involute, glabrous or ciliate basally.
sometimes densely pilose dorsally and on the collars, margins and apices hairy, hairs to 5 mm;
ligules 0.2-0.4 mm;
blades 5-20(33) cm long, 1-3.5 mm wide, involute to flat, both surfaces with scattered hairs, adaxial surfaces densely hairy behind the ligules, hairs to 7 mm.
1.7-15 cm long, 0.2-5 cm wide, cylindrical, contracted or open, branches usually forming glomerate lobes, sometimes more open, often interrupted in the lower portion;
primary branches 0.4-4 cm, appressed or diverging to 50° from the rachises;
pulvini usually glabrous, occasionally sparsely pilose;
pedicels 0.1-1 mm, erect, shorter than the spikelets, glabrous.
15-25 cm long, 5-27 cm wide, ovate, open;
primary branches 0.6-15 cm, diverging up to 90° from the rachises, capillary, naked basally;
pulvini hairy, hairs to 8 mm;
pedicels 1.4-10(16) mm, divergent.
1.8-3.2 mm long, 1-2 mm wide, elliptical-ovate to ovate-lanceolate, yellowish-brown, sometimes with a purple tinge, with 6-11 florets;
disarticulation basipetal, glumes peristent.
(2.5)3-5 mm long, 1.1-1.6 mm wide, narrowly lanceolate to linear-oblong, plumbeous, with 4-9 florets;
disarticulation acropetal, paleas persistent.
ovate to lanceolate, keels scabridulous, veins commonly green, apices acute;
lower glumes 0.7-1.2 mm;
upper glumes 1-1.6 mm;
lemmas 0.8-1.3 mm, elliptical-ovate to lanceolate, membranous, keels scabridulous, lateral veins evident, apices obtuse to acute;
paleas 0.8-1.3 mm, membranous, keels prominently ciliate, cilia 0.2-0.8 mm, apices obtuse to acute;
anthers 2, 0.1-0.3 mm, purplish.
broadly ovate to narrowly lanceolate, hyaline to membranous;
lower glumes 1.1-1.6 mm;
upper glumes 1.2—1.8 mm;
lemmas 1.2-1.8 mm, broadly ovate, membranous throughout, lateral veins inconspicuous, apices acute;
paleas 1.1-1.7 mm, membranous to hyaline, narrower than the lemmas, apices obtuse;
anthers 3, 0.3—0.5 mm, reddish-purple.
0.4-0.5 mm, ovoid, reddish-brown.
0.5-0.8 mm, obovoid to somewhat prism-shaped, laterally compressed, with a well-developed adaxial groove, finely striate, opaque to translucent, reddish-brown.
= 20, 40.
= 60, 80.
Eragrostis ciliaris
Eragrostis polytricha
Eragrostis ciliaris is native to the paleotropics. It is naturalized in parts of the United States, growing along roadsides, on waste sites, in xerothermic vegetation, and sometimes in saline habitats, at 0-200 m. It may be more widespread than indicated.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis polytricha grows in sandy and rocky areas, at 0-30 m, usually in open pinelands. It is native to Florida but its primary range lies to the south of the Flora region, from southern Mexico through Central America to Venezuela, Chile, and Argentina.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Panicles 0.2-1.5 cm wide, contracted, the branches mostly appressed to the rachises, congested, forming glomerate lobes; spikelets densely packed | var. ciliaris |
1. Panicles 1.5-5 cm wide, open, the branches spreading 20-50° from the rachises; spikelets widely separated from each other | var. laxa |
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