Eragrostis lehmanniana
Eragrostis atrovirens
Lehmann lovegrass, Lehmann's love grass
thalia lovegrass
(20)40-80 cm, erect, commonly geniculate, sometimes rooting at the lower nodes, glabrous, lower portions sometimes scabridulous.
(60)75-130 cm, erect.
sometimes shortly silky pilose basally, hairs less than 2 mm, apices sparsely hairy, hairs to 3 mm;
ligules 0.3-0.5 mm, ciliate;
blades 2-12 cm long, 1-3 mm wide, flat to involute, glabrous, abaxial surfaces sometimes scabridulous, adaxial surfaces scabridulous.
glabrous, apices hairy, hairs to 4 mm;
ligules 0.1-0.3 mm;
blades (5)8-20 cm long, (1)2-3(4) mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces mostly scabridulous, long ciliate basally.
7-18 cm long, 2-8 cm wide, oblong, open;
primary branches 1-8 cm, appressed or diverging to 40° from the rachises;
pulvini glabrous;
pedicels 0.5-4 mm, diverging or appressed, flexible.
(7)10-20(28) cm long, (2.5)4-15 cm wide, ovate, open;
primary branches (3)5-10(13) cm, diverging 20-60° from the rachises, wiry, somewhat capillary, naked basally;
pulvini glabrous or sparingly hairy, hairs shorter than 2 mm;
pedicels 1-10 mm, appressed, scabridulous.
5-12(14) mm long, 0.8-1.2 mm wide, linear-lanceolate, plumbeous to stramineous, with 4-12(14) florets;
disarticulation irregular to basipetal, paleas usually persistent.
5-10(19) mm long, 1.4-2.4 mm wide, ovate-lanceolate, plumbeous to purplish, with 10-22 florets;
disarticulation acropetal, glumes first, then the florets.
oblong to lanceolate, membranous;
lower glumes 1-1.5 mm;
upper glumes 1.3-2 mm;
lemmas 1.5-1.7 mm, ovate, membranous, lateral veins inconspicuous, apices acute to obtuse;
paleas 1.4-1.7 mm, obtuse;
anthers 3, 0.6-0.9 mm, yellowish.
subequal, lanceolate to ovate, membranous;
lower glumes 1.2-1.4 mm, narrower than the upper glumes;
upper glumes 1.4-1.7 mm;
lemmas (1.5)1.7-2 mm, broadly ovate, leathery, keels scabridu-lous, lateral veins evident, apices acute;
paleas 1.4-1.9 mm, hyaline, bases not projecting beyond the lemmas, keels scabridulous, apices acute to obtuse;
anthers 3, 0.7-0.9 mm, reddish-purple.
0.6-0.8 mm, ellipsoid to obovoid, dorsally compressed, sometimes with a shallow adaxial groove, smooth, translucent, mostly light brown, embryo region dark brown with a greenish ring.
0.6-0.9 mm, obovoid to ellipsoid, terete, opaque, somewhat striate, reddish-brown.
= 40, 60.
= 60.
Eragrostis lehmanniana
Eragrostis atrovirens
Eragrostis lehmanniana is native to southern Africa, where it grows in sandy, savannah habitats. It was introduced for erosion control in the southern United States, where it often displaces native species. In the Flora region, it grows in sandy flats, along roadsides, on calcareous slopes, and in disturbed areas, at 200-1830 m. It is commonly found in association with Larrea tridentata, Opuntia, Quercus, Juniperus, and Bouteloua gracilis.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis atrovirens is native to northern Africa, but it is now established in southeastern United States, where it grows along railways and roads, on beaches and in ditches, often in wet sandy soils and in association with Pinus, Taxodium, and Sabal.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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