Eragrostis lugens
Eragrostis echinochloidea
mourning lovegrass
African love grass, tickgrass
30-70 cm, erect, sometimes geniculate, glabrous below the nodes.
30-100 cm, erect to geniculate, with narrow, sunken glandular bands.
usually mostly glabrous, summits hairy, hairs 2-5 mm, never papillose-based;
ligules 0.2-0.3 mm;
blades (4)8-22 cm long, 1-3.5 mm wide, involute to flat, both surfaces glabrous, margins sometimes with scattered hairs, hairs to 7 mm.
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.
16-28 cm long, 10-21 cm wide, ovate, open;
primary branches 0.6-15 cm, diverging up to 100° from the rachises, naked basally;
pulvini hairy;
pedicels 1.4-5(7) mm, diverging, wiry, present on all spikelets.
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.
2-4.5(5) mm long, 0.5-1(1.3) mm wide, narrowly lanceolate, plumbeous to reddish-purple, with 2-7 florets;
disarticulation acropetal, paleas persistent.
2-5 mm long, 2-3.5 mm wide, broadly ovate, greenish, stramineous to plumbeous, with 7-14 florets;
disarticulation basipetal, glumes persistent.
broadly ovate to narrowly lanceolate, hyaline, sometimes reddish-purple;
lower glumes 0.6-1 mm;
upper glumes 1.1-1.4 mm, usually broader than the lower glumes;
lemmas 1.2-1.8 mm, broadly ovate, mostly membranous but the distal margins hyaline, lateral veins inconspicuous, apices acute;
paleas 1.1-1.7 mm, membranous to hyaline, apices obtuse;
anthers 3, 0.2-0.7 mm, reddish-purple.
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.
0.5-0.6 mm, obovoid to somewhat prism-shaped, terete to somewhat laterally compressed, sometimes with a weak adaxial groove, finely striate, usually opaque, faintly reddish-brown to whitish.
0.8-1.1 mm, ellipsoid, reddish-brown.
= 40, 80, ca. 108.
= 30.
Eragrostis lugens
Eragrostis echinochloidea
Eragrostis lugens grows on sandy dunes and along river banks, at 1-300 m. Its range extends from the southern United States to Peru and Argentina.
(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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