Eragrostis lehmanniana
Eragrostis gangetica
Lehmann lovegrass, Lehmann's love grass
slimflower lovegrass
(20)40-80 cm, erect, commonly geniculate, sometimes rooting at the lower nodes, glabrous, lower portions sometimes scabridulous.
(12)25-75 cm, usually erect, sometimes geniculate and branched below, glabrous, reddish.
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 usually with 0.3-2.2 mm hairs;
ligules 0.2-0.4 mm, ciliate;
blades (5)7-17 cm long, 1-3 mm wide, flat to folded basally, involute apically, abaxial surfaces glabrous, adaxial surfaces scabridulous, sometimes with scattered hairs near the base.
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.
(6)11-21 cm long, 1-13 cm wide, ovate to somewhat contracted, open;
primary branches 0.5-12 cm, (12)15-20 per culm, appressed or diverging up to 60° from the rachises, often capillary, naked near the base;
pulvini glabrous;
pedicels 0.3-5 mm, mostly appressed.
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.
2-4.6 mm long, 0.9-2 mm wide, narrowly ovate, greenish-yellow to plumbeous and with a reddish-purple tinge, with 5-15 florets;
disarticulation acropetal, paleas persistent.
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.
lanceolate to ovate, membranous;
lower glumes 0.4-0.9 mm;
upper glumes 1-1.3 mm, occasionally 3-veined;
lemmas 1-1.3 mm, broadly ovate, membranous, often reddish-purple, lateral veins conspicuous, often greenish, apices acute;
paleas 0.9-1.1 mm, hyaline, keels scabridulous, apices obtuse;
anthers 2, 0.1-0.2 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.
0.3-0.5 mm, subglobose to obovoid, not grooved, translucent, faintly striate, reddish-brown.
= 40, 60.
= 80.
Eragrostis lehmanniana
Eragrostis gangetica
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 gangetica is an Asian species that now grows in the southeastern United States. It can be found in the sandy margins of ponds, roadsides, and ditches, at 0-100 m, usually in association with Pinus, Taxodium distichum, Rynchospora, and Steinchisma hians. Eragrostis gangetica is similar to E. bahiensis, but differs from that species in its annual habit and shorter spikelets, lemmas, anthers, and caryopses.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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