Flora of North America species comparison

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Eragrostis bahiensis

Eragrostis trichophora

bahia lovegrass

hairyflower lovegrass
Habit Plants perennial; cespitose, with innovations, without rhizomes, not glandular. Plants perennial; cespitose, stoloniferous, forming innovations near the base.
Culms

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

30-70 cm, erect, geniculate, or prostrate, often rooting at the lower nodes, glabrous, with a ring of glands 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 with scattered papillose-based hairs over most of the surface, apices pilose, hairs 1-4 mm, a ring of oblong glands sometimes present below the collar;

ligules 0.2-0.5 mm;

blades 1.4-10 cm long, 2-3 mm wide, flat to involute, sparsely hairy with papillose-based hairs, abaxial surfaces often with glandular dots.
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.

5-20 cm long, 2-7 cm wide, narrowly ovate, open;

primary branches 2-7 cm, diverging 10-70° from the rachises, lowest branches whorled, naked proximally, bases with a glandular band;

pulvini hairy;

pedicels 0.3-3.3 mm, glandular.
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.

4-5.4 mm long, 1-1.5 mm wide, linear-lanceolate, plumbeous to greenish-gray, with 3-5 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.

subequal, 1.4-1.8 mm, ovate-lanceolate, membranous;

lemmas 1.5-1.8 mm, ovate, membranous, often hyaline, lateral veins inconspicuous, apices obtuse to acute;

paleas 1.3-1.7 mm, hyaline, bases not projecting beyond the lemmas, apices obtuse;

anthers 3, 0.7-1 mm, purplish.
Caryopses

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

0.6-0.8 mm, ovoid, terete to dorsally compressed, shallowly grooved adaxially, translucent, mostly whitish to light brown, bases often greenish.
2n

= unknown.

= unknown.

Eragrostis bahiensis

Eragrostis trichophora
Distribution
from FNA
AL; FL; GA; LA; NJ; SC
[BONAP county map]
from FNA
MD
[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 trichophora is native to Africa, where it often grows in moist, disturbed or overgrazed sites. It has been collected from disturbed sites at Canton, Maryland.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 101. FNA vol. 25, p. 76.
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. 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. unioloides
Synonyms E. atherstonei
Name authority (Schrad.) Schult. Coss. & Durieu
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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