Eragrostis bahiensis
Eragrostis hirsuta
bahia lovegrass
bigtop lovegrass
25-95(110) cm, erect, glabrous.
(30)45-100 cm, erect, glabrous below the nodes.
glabrous, summits hairy, hairs 1-3 mm;
ligules 0.2-0.4 mm;
blades (8)12-40 cm long, 2-5 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous and glabrous or long ciliate basally.
rarely glabrous, apices and distal margins usually hairy, sometimes also densely hairy basally, dorsally, and on the collars, hairs to 6 mm, papillose-based;
ligules 0.2-0.4 mm;
blades 25-60 cm long, 3-8(11) mm wide, flat to loosely involute, usually glabrous, adaxial surfaces sometimes hairy basally.
terminal, 15-30(45) cm long, (4)8-17 cm wide, narrowly ovate, open to contracted;
primary branches 5-15 cm, diverging 20-90° from the rachises, often capillary, usually naked basally;
pulvini glabrous;
pedicels 0.3-6 mm, mostly appressed, scabridulous, always shorter than the spikelets.
25-85 cm long, 15-40 cm wide, broadly ovate, open;
primary branches mostly 4-35(45) cm, diverging 20-90° from the rachises, capillary;
pulvini glabrous or hairy;
pedicels 2-28 mm, divergent.
6-15(18) mm long, 1.3-2(2.2) mm wide, narrowly lanceolate, plumbeous, occasionally with a reddish-purple tinge, with 8-30(40) florets;
disarticulation usually in the rachilla below the florets, occasionally the lemmas falling separately, leaving the paleas on the rachilla.
2-4(5) mm long, 1-1.7 mm wide, lanceolate, greenish with purplish tinges, with 2-6 florets;
disarticulation acropetal, paleas persistent.
lanceolate to ovate, membranous to subhyaline, keeled;
lower glumes 1-1.4 mm;
upper glumes 1.4-1.7 mm;
lemmas 1.5-2.2 mm, broadly ovate, leathery, scabridulous, lateral veins evident, apices acute;
paleas 1.4-2.1 mm, hyaline, bases not projecting beyond the lemmas, keels scabridulous, apices acute to obtuse;
anthers 2, 0.4-0.6 mm, reddish-purple.
lanceolate, hyaline to membranous;
lower glumes 1.1-2 mm;
upper glumes 1.5-2.8 mm, apices acuminate to acute;
lemmas 1.6-2.4 mm, ovate, membranous, hyaline near the margins, lateral veins inconspicuous, apices acute;
paleas 1.2-2.2 mm, hyaline, bases not projecting beyond the lemmas, apices acute to obtuse;
anthers 3, 0.3-0.8 mm, purplish.
0.6-0.8 mm, obovoid to ellipsoid, terete, somewhat striate, reddish-brown.
0.8-1 mm, rectangular-prismatic, somewhat laterally compressed, with or without a well-developed adaxial groove, striate, opaque, reddish-brown.
= unknown.
= 100.
Eragrostis bahiensis
Eragrostis hirsuta
Eragrostis bahiensis grows in sandy soils near river banks, lake shores, and roadsides, at 0-200 m. Its range extends south from the Gulf Coast of the United States through Mexico to Peru, Bolivia, Paraguay, and Argentina.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis hirsuta grows in sandy clay loams on the coastal plain and along roadsides, at 0-150 m, usually in association with Pinus palustris and Quercus. Its range extends from the southeastern United States through eastern Mexico to Guatemala and Belize.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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