Eragrostis refracta
Eragrostis unioloides
coastal lovegrass
Chinese lovegrass
30-85(110) cm, glabrous and shiny below the nodes.
10-50 cm, erect, glabrous below the nodes.
sparsely hairy at the apices, hairs to 6 mm;
ligules 0.1-0.4 mm;
blades 10-35 cm long, 2-5 mm wide, flat to involute, glabrous abaxially, scabridulous and sparsely pilose adaxially, hairs to 7 mm.
mostly basal;
sheaths mostly glabrous, apices pilose, hairs 0.4-3 mm;
ligules 0.1-0.2 mm, ciliate;
blades (1.8)5-12 cm long, 2-6 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous and glabrous or sparsely hairy, hairs appressed.
(25)30-60 cm long, 25-40 cm wide, broadly ovate to obovate, open, diffuse;
primary branches 5-25 cm, diverging 20-90° from the rachises, capillary;
pulvini hairy or glabrous;
pedicels 0.5-25 mm, appressed, only the terminal pedicels on each branch longer than the spikelets.
6-15 cm long, 0.5-7 cm wide, ovate, open to contracted;
primary branches 0.2-5 cm, appressed or diverging up to 70° from the rachises, glabrous;
pulvini glabrous;
pedicels 2-8 mm, glabrous.
4-18(23) mm long, 1.4-3.4 mm wide, linear-lanceolate, grayish-green or stramineous to purplish, with (4)9-30 florets;
disarticulation tardy, basipetal, in the rachillas below the florets, glumes persistent.
4-8(10) mm long, (1.6)2-4 mm wide, ovate-lanceolate, loosely imbricate, straw-colored to purplish, with 12-42 florets;
disarticulation acropetal, paleas not persistent, rachillas persistent.
narrowly lanceolate, membranous;
lower glumes 0.8-2.4 mm;
upper glumes 1.5-2.6 mm;
lemmas 1.4-2.8 mm, lanceolate, membranous, apices acute to acuminate;
paleas 1-2.6 mm, hyaline to membranous, narrower than the lemmas, apices obtuse to acute;
anthers 2, 0.3-0.5 mm, purplish or brownish.
ovate-lanceolate to lanceolate, hyaline to membranous;
lower glumes 1-1.8 mm;
upper glumes 1-2.2 mm;
lemmas 1.5-1.9 mm, broadly ovate, membranous, lateral veins raised, apices obtuse to acute;
paleas 1.4-1.9 mm, hyaline, keels scabridulous, apices acute to obtuse;
anthers 2, 0.2-0.4 mm, purplish.
0.5-0.9 mm, ovoid to ellipsoid, finely striate, reddish-brown.
0.6-0.9 mm, ellipsoid, laterally compressed, not grooved, smooth, light brown.
= 28.
= 20, ca. 30.
Eragrostis refracta
Eragrostis unioloides
Eragrostis refracta grows in sandy pinelands, savannahs, marshes, and woodlands on the coastal plain of the southeastern United States, at 0-150 m. It is not known from Mexico.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Eragrostis unioloides is an Asian species that is now established in the southeastern United States, growing along roadsides and in disturbed ground, at 20-150 m.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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