Flora of North America species comparison

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Eragrostis bahiensis

Eragrostis prolifera

bahia lovegrass

Dominican lovegrass
Habit Plants perennial; cespitose, with innovations, without rhizomes, not glandular. Plants perennial; cespitose, with innovations, without rhizomes, not glandular.
Culms

25-95(110) cm, erect, glabrous.

85-130(150) cm, stiffly erect, glabrous below the nodes.
Sheaths

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.

glabrous or hairy at the apices, hairs to 4 mm;

ligules 0.1-0.2 mm;

blades 25-50 cm long, 1.5-6 mm wide, flat to involute, glabrous abaxially, scabridulous adaxially, sometimes also with a few scattered hairs near the base.
Panicles

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.

(10)20-50(60) cm long, 2-8(10) cm wide, narrowly ovate, contracted to open;

primary branches mostly 2-14 cm, appressed or diverging up to 50°(90°) from the rachises, spikelets congested near the base of the branches;

pulvini glabrous;

pedicels 0.3-2.4 mm, appressed, always shorter than the spikelets.
Spikelets

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.

3.2-10(12) mm long, 0.7-1.4 mm wide, linear-lanceolate, stramineous to plumbeous, sometimes with a reddish tinge, with (5)8-25 florets;

disarticulation acropetal, glumes first, then the lemmas, paleas persistent.
Glumes

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.

subequal, ovate to lanceolate, hyaline;

lower glumes 1-1.5 mm;

upper glumes 1.1-1.6 mm;

lemmas 1.1-1.8(2) mm, ovate, membranous, apices acute;

paleas 0.8-1.7 mm, hyaline, narrower than the lemmas, apices obtuse to truncate;

anthers 2, 0.2-0.3 mm, purplish.
Caryopses

0.6-0.8 mm, obovoid to ellipsoid, terete, somewhat striate, reddish-brown.

0.6-0.9 mm, ovoid, flattened ventrally, finely striate, reddish-brown.
2n

= unknown.

= 40.

Eragrostis bahiensis

Eragrostis prolifera
Distribution
from FNA
AL; FL; GA; LA; NJ; SC
[BONAP county map]
from FNA
FL
[BONAP county map]
Discussion

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 prolifera grows on beaches, in brackish water, and along roadsides, at elevations below 5 m in Florida. Its range extends southward from Florida through Mexico and Central America to Colombia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 101. FNA vol. 25, p. 99.
Parent taxa Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis
Sibling taxa
E. airoides, E. amabilis, E. atrovirens, E. barrelieri, E. capillaris, E. cilianensis, E. ciliaris, E. cumingii, E. curtipedicellata, E. curvula, E. cylindriflora, E. echinochloidea, E. elliottii, E. elongata, E. erosa, E. frankii, E. gangetica, E. hirsuta, E. hypnoides, E. intermedia, E. japonica, E. lehmanniana, E. lugens, E. lutescens, E. mexicana, E. minor, E. obtusiflora, E. palmeri, E. pectinacea, E. pilosa, E. plana, E. polytricha, E. prolifera, E. refracta, E. reptans, E. scaligera, E. secundiflora, E. sessilispica, E. setifolia, E. silveana, E. spectabilis, E. spicata, E. superba, E. swallenii, E. tef, E. trichodes, E. trichophora, E. unioloides
E. airoides, E. amabilis, E. atrovirens, E. bahiensis, E. barrelieri, E. capillaris, E. cilianensis, E. ciliaris, E. cumingii, E. curtipedicellata, E. curvula, E. cylindriflora, E. echinochloidea, E. elliottii, E. elongata, E. erosa, E. frankii, E. gangetica, E. hirsuta, E. hypnoides, E. intermedia, E. japonica, E. lehmanniana, E. lugens, E. lutescens, E. mexicana, E. minor, E. obtusiflora, E. palmeri, E. pectinacea, E. pilosa, E. plana, E. polytricha, E. refracta, E. reptans, E. scaligera, E. secundiflora, E. sessilispica, E. setifolia, E. silveana, E. spectabilis, E. spicata, E. superba, E. swallenii, E. tef, E. trichodes, E. trichophora, E. unioloides
Name authority (Schrad.) Schult. (Sw.) Steud.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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