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weeping love grass

long lovegrass

Habit Plants perennial; cespitose, forming innovations at the basal nodes, without glands. Plants perennial; cespitose, with innovations, without rhizomes, not glandular.
Culms

(45)60-150 cm, erect, glabrous or glandular.

28-60 cm, erect to decumbent, glabrous below the nodes.

Sheaths

with scattered hairs, hairs to 9 mm;

ligules 0.6-1.3 mm;

blades 12-50(65) cm long, 1-3 mm wide, flat to involute, abaxial surfaces glabrous, sometimes scabridulous, adaxial surfaces with scattered hairs basally, hairs to 7 mm.

glabrous, apices sparsely hairy, hairs to 2 mm;

ligules 0.3-0.4 mm;

blades 5-20 cm long, 0.8-3 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces scabridulous, occasionally hairy near the base.

Panicles

16-35(40) cm long, (4)8-24 cm wide, ovate to oblong, open;

primary branches 3-14 cm, diverging 10-80° from the rachises;

pulvini glabrous or not;

pedicels 0.5-5 mm, appressed, flexible.

terminal, (5)8-20(22) cm long, 1-3.5 cm wide, spicate to narrowly ovate, branches condensed into glomerate lobes;

primary branches 0.8-3 cm, appressed or diverging up to 90° from the rachises, spikelet-bearing to the base;

pulvini glabrous;

pedicels 0.2-1.3 mm, flattened, mostly appressed, all shorter than the spikelets.

Spikelets

4-8.2(10) mm long, 1.2-2 mm wide, linear-lanceolate, plumbeous to yellowish, with 3-10 florets;

disarticulation irregular to acropetal, proximal rachilla segments persistent.

3-7 mm long, 1.8-2.4 mm wide, linear-lanceolate, stramineous with a reddish-purple tinge, with 8-18 florets;

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

Glumes

lanceolate, hyaline;

lower glumes 1.2-2.6 mm;

upper glumes 2-3 mm;

lemmas 1.8-3 mm, ovate, membranous, lateral veins conspicuous, apices acute;

paleas 1.8-3 mm, hyaline to membranous, apices obtuse;

anthers 3, 0.6-1.2 mm, reddish-brown.

subequal, 1.2-2 mm, narrowly lanceolate to lanceolate, membranous;

lemmas 1.5-2.2 mm, lanceolate to ovate, leathery, greenish, lateral veins conspicuous, apices acute;

paleas 1.1-1.7 mm, hyaline, narrower than the lemmas, keels ciliate, cilia to 0.2 mm, apices obtuse to acute;

anthers 2, 0.2-0.3 mm, purplish.

Caryopses

1-1.7 mm, ellipsoid to obovoid, dorsally compressed, adaxial surfaces with a shallow, broad groove or ungrooved, smooth, mostly translucent, light brown, bases often greenish.

0.4-0.5 mm, ovoid, not grooved, smooth, light brown.

2n

= 40, 50.

= unknown.

Eragrostis curvula

Eragrostis elongata

Distribution
from FNA
AL; AR; AZ; CA; CO; DE; FL; GA; IL; KS; KY; LA; MA; MD; MO; MS; NC; NJ; NM; NY; OH; OK; OR; PA; SC; TN; TX; UT; VA; WA; WV; HI; PR
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from FNA
FL; SC; HI
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Discussion

Eragrostis curvula is native to southern Africa. It is often used for reclamation because it provides good ground cover but, once introduced, it easily escapes. In the Flora region, it grows on rocky slopes, at the margins of woods, along roadsides, and in waste ground, at 20-2400 m, usually in pine-oak woodlands, and yellow pine and mixed hardwood forests.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Eragrostis elongata is native to southeastern Asia and Australia, where it grows in disturbed, sandy soils at 0-50 m. It was collected once near Washington, D.C., probably as an escape from the U.S. Department of Agriculture's experimental grass garden; it has not become established in the Flora region.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 25, p. 76. FNA vol. 25, p. 101.
Parent taxa Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis
Sibling taxa
E. airoides, E. amabilis, E. atrovirens, E. bahiensis, E. barrelieri, E. capillaris, E. cilianensis, E. ciliaris, E. cumingii, E. curtipedicellata, 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. 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
Synonyms E. curvula var. conferta, E. chloromelas E. diandra
Name authority (Schrad.) Nees (Willd.) Jacq.
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