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weeping love grass

gummy lovegrass

Habit Plants perennial; cespitose, forming innovations at the basal nodes, without glands. Plants perennial; cespitose, with innovations and short, knotty rhizomes less than 4 mm thick.
Culms

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

20-65 cm, erect, viscid.

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.

usually viscid, hairy at the apices and on the collars and margins, hairs to 6 mm;

ligules 0.1-0.3 mm;

blades 5-18 cm long, 2-4(5) mm wide, flat to involute, sometimes viscid, densely hairy behind the ligules, hairs to 8 mm.

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.

18-35 cm long, 10-30 cm wide, broadly ovate, open;

primary branches 3-18 cm, diverging 10-90° from the rachises, stiff, viscid, naked basally;

pulvini hairy, hairs to 6 mm;

pedicels 0.2-1.2 mm, appressed.

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.

3.5-6(7.6) mm long, 1-1.5 mm wide, linear-lanceolate, stramineous to reddish-purple, with 4-10 florets;

disarticulation basipetal, glumes 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.

lanceolate, membranous;

lower glumes 0.9-1.8 mm;

upper glumes 1.2-2 mm, 1-3-veined;

lemmas 1.5-2.2 mm, ovate to lanceolate, membranous, 3-veined, lateral veins evident, apices acute;

paleas 1.2-2 mm, hyaline, not wider than the lemmas, apices obtuse;

anthers 3, 0.2-0.4 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.

0.6-0.8 mm, ellipsoid, terete in cross section, neither ridged nor grooved, faintly striate, reddish-brown.

2n

= 40, 50.

= 40.

Eragrostis curvula

Eragrostis curtipedicellata

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
AR; CO; KS; LA; MO; NM; OK; TX
[BONAP county map]
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.)

The range of Eragrostis curtipedicellata extends from southern Colorado, Kansas, and Missouri to northeastern Mexico. It grows near fields, along roadsides, and in the margins of woods, at 10-1525 m.

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

Source FNA vol. 25, p. 76. FNA vol. 25, p. 89.
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. 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
Synonyms E. curvula var. conferta, E. chloromelas
Name authority (Schrad.) Nees Buckley
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