Flora of North America species comparison

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Eragrostis bahiensis

Eragrostis plana

bahia lovegrass

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

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

65-100 cm, erect, glabrous.
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.

flattened, smooth, shiny, glabrous or puberulent;

ligules 0.2-0.4 mm;

blades 15-50(70) cm long, 2-4 mm wide, folded, margins involute or revolute, abaxial surfaces glabrous or sparsely hairy, adaxial surfaces scabridulous.
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.

13-28 cm long, 2-8 cm wide, narrowly oblong to narrowly lanceolate, contracted to open;

primary branches 1-8 cm, appressed or diverging up to 30° from the rachises;

pulvini glabrous or hairy;

pedicels 1-7 mm, appressed, glabrous.
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.

6-14 mm long, 1.3-2.5 mm wide, linear-oblong, greenish to plumbeous, with 9-14 florets;

disarticulation acropetal, 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.

narrowly ovate to lanceolate, membranous to hyaline;

lower glumes 0.4-1.2 mm, scalelike;

upper glumes 1-1.5 mm;

lemmas 1.8-3 mm, ovate, membranous, strongly keeled, keels with minute punctate glands, lateral veins conspicuous, apices acute to obtuse;

paleas 1.8-3 mm, hyaline to membranous, bases not projecting beyond the lemmas, apices obtuse to truncate;

anthers 3, 1.2-1.8 mm, reddish-purple.
Caryopses

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

1-1.6 mm, rectangular-prismatic to ovoid, laterally compressed, adaxial surfaces deeply grooved, smooth, opaque, reddish-brown.
2n

= unknown.

= 20.

Eragrostis bahiensis

Eragrostis plana
Distribution
from FNA
AL; FL; GA; LA; NJ; SC
[BONAP county map]
from FNA
SC
[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 plana is native to southern Africa. It is known from two locations in the Flora region, both waste areas near sheep and cattle lots in Florence County, South Carolina.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 101. FNA vol. 25, p. 91.
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. 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
Name authority (Schrad.) Schult. Nees
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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