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creeping love grass, teal love grass, teel lovegrass, éragrostide hypnoide

sandbar lovegrass, éragrostide de Frank

Habit Plants annual; stoloniferous, mat-forming, without innovations, without glands. Plants annual; cespitose, without innovations.
Culms

decumbent and rooting at the lower nodes, erect portion (2)5-12(20) cm, often branched, glabrous or hairy on the lower internodes.

10-50 cm, erect to geniculate, glabrous, often with glandular pits below the nodes.

Sheaths

pilose on the margins, collars, and at the apices, hairs 0.1-0.6 mm;

ligules 0.3-0.6 mm;

blades 0.5-2.5 cm long, 1-2 mm wide, flat to involute, abaxial surfaces glabrous, adaxial surfaces appressed pubescent, hairs about 0.2 mm.

mostly glabrous, apices hirsute, hairs to 4 mm, often also with glandular pits;

ligules 0.2-0.5 mm, ciliate;

blades (2)4-10(21) cm long, 1-4 mm wide, flat to involute, glabrous abaxially, scabridu-lous adaxially.

Panicles

terminal and axillary, 1-3.5 cm long, 0.7-2.5 cm wide, ovate, open to somewhat congested;

primary branches 0.1-0.5 cm, appressed to strongly divergent, glabrous;

pulvini sparsely pilose or glabrous;

pedicels 0.2-1 mm, ciliate.

4-20 cm long, less than 1/2 the height of the plants, 2-10(14) cm wide, narrowly elliptic, open;

primary branches 2-6 cm, compact, diverging 20-70° from the rachises, capillary, sometimes with glandular pits, naked basally;

pulvini glabrous;

pedicels 1.5-5 mm, divergent.

Spikelets

4-13 mm long, 1-1.5 mm wide, linear-oblong, often arcuate, loosely imbricate, greenish-yellow to purplish, with 12-35 florets;

disarticulation acropetal, paleas persistent.

(1.7)2-4(5.6) mm long, 1-2(2.5) mm wide, broadly ovate to lanceolate, plumbeous to reddish-purple, with 3-6 florets;

disarticulation acropetal, paleas persistent.

Glumes

linear-lanceolate to lanceolate, hyaline;

lower glumes 0.4-0.7 mm;

upper glumes 0.8-1.2 mm;

lemmas 1.4-2 mm, ovate, strongly 3-veined, veins greenish, apices acuminate;

paleas 0.7-1.2 mm, hyaline, keels scabridulous, apices acute to obtuse;

anthers 2, 0.2-0.3 mm, brownish.

narrowly lanceolate to lanceolate, hyaline;

lower glumes 1-1.5 mm;

upper glumes 1-1.8 mm;

lemmas 1.1-1.6 mm, broadly ovate, membranous, lateral veins inconspicuous, apices acute;

paleas 1-1.5 mm, hyaline, keels scabridulous, apices obtuse;

anthers 2 or 3, 0.2-0.3 mm, purplish.

Caryopses

0.3-0.5 mm, ellipsoid, somewhat translucent, light brown.

0.4-0.7 mm, ovoid to rectangular-prismatic, striate, reddish-brown, adaxial surfaces flat or shallowly grooved, distal 2/3 opaque.

2n

= 20.

= 40, 80.

Eragrostis hypnoides

Eragrostis frankii

Distribution
from FNA
AL; AR; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; PR; MB; ON; QC; SK
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; CT; DC; FL; GA; IA; IL; IN; KS; KY; MA; MD; MI; MN; MO; MS; NC; NE; NH; NJ; NM; NY; OH; OK; PA; SC; TN; TX; VA; VT; WI; WV; NB; ON; QC
[WildflowerSearch map]
[BONAP county map]
Discussion

Eragrostis hypnoides grows along muddy or sandy shores of lakes and rivers and in moist, disturbed sites, at 10-1600 m. It is native to the Americas, extending from southern Canada to Argentina.

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

Eragrostis frankii is native in the central and eastern United States, but it has been found, as an introduction, in southern Ontario, and appears to be increasingly common in the northeastern United States. It grows in moist meadows, along streams and sand bars, in forest openings, and along roadsides, at 5-1500 m, usually in association with Pinus, Quercus, Acer, and Fagus grandiflora. The record from Santa Fe County, New Mexico, is based on a specimen collected by Fendler in 1847; there are no other collections from the state. Fendler's specimens seem to represent either an accidental introduction that did not become established or a labeling error.

Eragrostis frankii is similar to E. capillaris, but differs in its frequent possession of glandular pits, its flat or more shallowly grooved caryopses, shorter pedicels, and glabrous sheath margins, and in having panicles that are usually less than half as long as the culms.

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

Source FNA vol. 25, p. 72. FNA vol. 25, p. 79.
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. curvula, E. cylindriflora, E. echinochloidea, E. elliottii, E. elongata, E. erosa, E. frankii, E. gangetica, E. hirsuta, 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. 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. weigeltiana E. frankii var. brevipes
Name authority (Lam.) Britton, Sterns & Poggenb. C.A. Mey. ex Steud.
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