Eragrostis lugens
Eragrostis erosa
mourning lovegrass
Chihuahua lovegrass, Chihuahuan lovegrass
30-70 cm, erect, sometimes geniculate, glabrous below the nodes.
70-110 cm, erect, glabrous below the nodes.
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.
hairy at the apices and sometimes on the upper margins, hairs to 4 mm, not papillose-based;
ligules 0.2-0.4 mm;
blades (8)12-30 cm long, 1.5-3.8 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous, glabrous or sparsely hairy, hairs to 4 mm.
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.
25-45 cm long, (5)12-30 cm wide, broadly ovate, open;
primary branches mostly 4-20 cm, diverging 20-90° from the rachises, capillary, sinuous;
pulvini glabrous or hairy;
pedicels 1-18 mm, appressed or divergent, proximal spikelets on each branch usually with pedicels shorter than 5 mm.
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.
5-9 mm long, 1-3 mm wide, lanceolate, plumbeous, with 5-12 florets;
disarticulation acropetal, glumes first, then the lemmas, paleas 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.
lanceolate to ovate, membranous;
lower glumes 1.3-2.4 mm;
upper glumes 1.6-2.6 mm;
lemmas 2.4-3 mm, ovate, mostly membranous, hyaline near the margins and apices, lateral veins inconspicuous, apices acute;
paleas 1.5-3 mm, hyaline, narrower than the lemmas, apices obtuse to truncate;
anthers 3, 0.6-1.7 mm, purplish.
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.
0.8-1.6 mm, subellipsoid, terete to somewhat laterally compressed, with a well-developed adaxial groove, faintly striate, opaque, reddish-brown.
= 40, 80, ca. 108.
= unknown.
Eragrostis lugens
Eragrostis erosa
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 erosa grows on rocky slopes and hills, at 1200-2300 m, often in association with Pinus edulis, Juniperus monosperma, and Bouteloua gracilis. Its range extends from New Mexico and western Texas to northern Mexico.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
LA Plants
MO Plants
WildflowerSearch
iNaturalist
USDA Plants Database
