Eragrostis hypnoides |
Eragrostis plana |
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creeping love grass, teal love grass, teel lovegrass, éragrostide hypnoide |
south African lovegrass |
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Habit | Plants annual; stoloniferous, mat-forming, without innovations, without glands. | Plants perennial; cespitose, with innovations, without rhizomes. |
Culms | decumbent and rooting at the lower nodes, erect portion (2)5-12(20) cm, often branched, glabrous or hairy on the lower internodes. |
65-100 cm, erect, glabrous. |
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. |
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 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. |
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 | 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. |
6-14 mm long, 1.3-2.5 mm wide, linear-oblong, greenish to plumbeous, with 9-14 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 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 | 0.3-0.5 mm, ellipsoid, somewhat translucent, light brown. |
1-1.6 mm, rectangular-prismatic to ovoid, laterally compressed, adaxial surfaces deeply grooved, smooth, opaque, reddish-brown. |
2n | = 20. |
= 20. |
Eragrostis hypnoides |
Eragrostis plana |
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Distribution |
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
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SC |
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 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. 72. | FNA vol. 25, p. 91. |
Parent taxa | Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis | Poaceae > subfam. Chloridoideae > tribe Cynodonteae > Eragrostis |
Sibling taxa | ||
Synonyms | E. weigeltiana | |
Name authority | (Lam.) Britton, Sterns & Poggenb. | Nees |
Web links |
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