Eragrostis lehmanniana
Eragrostis echinochloidea
Lehmann lovegrass, Lehmann's love grass
African love grass, tickgrass
(20)40-80 cm, erect, commonly geniculate, sometimes rooting at the lower nodes, glabrous, lower portions sometimes scabridulous.
30-100 cm, erect to geniculate, with narrow, sunken glandular bands.
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.
sometimes glandular, apices hairy, hairs to 5 mm;
ligules 0.4-1 mm;
blades 5-21 cm long, 2-6(7) mm wide, flat to involute, with small crateriform glands on the keels and veins, sparsely pilose adaxially.
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.
4-19 cm long, 0.8-7 cm wide, oblong to ovate, glomerate, spikelets clustered in 1-sided groups;
primary branches 0.5-7.5 cm, diverging 10-90° from the rachises, angled, sinuous, glandular;
pulvini hairy, hairs to 2 mm;
pedicels 0.2-2 mm, stout, erect, without a narrow band or abscission line near the apices.
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.
2-5 mm long, 2-3.5 mm wide, broadly ovate, greenish, stramineous to plumbeous, with 7-14 florets;
disarticulation basipetal, glumes 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.
subequal, 1.7-2.2 mm, ovate, membranous, keels with small crateriform glands, apices acute to acuminate;
lemmas 1.8-2.3 mm, broadly ovate to orbicular, chartaceous, keels with small crateriform glands, apices acute to obtuse;
paleas 1.7-2.2 mm, chartaceous, each side with a broad wing at the base, wings often projecting beyond the lemma bases, apices acute;
anthers 3, 0.5-0.9 mm, yellowish.
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.
0.8-1.1 mm, ellipsoid, reddish-brown.
= 40, 60.
= 30.
Eragrostis lehmanniana
Eragrostis echinochloidea
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 echinochloidea is native to southern Africa. It is now established in Arizona, growing in gravel soils, often along roadsides and in sidewalks, from 700-1000 m. It has also been found in Prince George's County, Maryland.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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