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Lehmann lovegrass, Lehmann's love grass

neverfail lovegrass

Habit Plants perennial; cespitose, forming innovations at the basal nodes, without glands. Plants perennial; cespitose, with innovations and thick-ened or knotty plant bases; plant bases with woolly hairs, hairs coarse, to 2 cm.
Culms

(20)40-80 cm, erect, commonly geniculate, sometimes rooting at the lower nodes, glabrous, lower portions sometimes scabridulous.

12-60 cm, erect, glabrous or hairy near the base, often shiny below the nodes.

Sheaths

sometimes shortly silky pilose basally, hairs less than 2 mm, apices sparsely hairy, hairs to 3 mm;

ligules 0.3-0.5 mm, ciliate;

blades 2-12 cm long, 1-3 mm wide, flat to involute, glabrous, abaxial surfaces sometimes scabridulous, adaxial surfaces scabridulous.

glabrous, summits shortly pilose, hairs to 0.5 mm;

ligules 0.3-0.5 mm, ciliate;

blades 3-11 cm long, 0.7-2 mm wide, involute or flat, glabrous abaxially, scabridulous adaxially.

Panicles

7-18 cm long, 2-8 cm wide, oblong, open;

primary branches 1-8 cm, appressed or diverging to 40° from the rachises;

pulvini glabrous;

pedicels 0.5-4 mm, diverging or appressed, flexible.

6-11 cm long, 2-4 cm wide, narrowly ovate, loosely contracted;

primary branches 1-3 cm, compact, appressed or diverging to 30° from the rachises, sometimes naked near the base;

pulvini glabrous;

pedicels 0.2-3 mm, diverging, scabridulous.

Spikelets

5-12(14) mm long, 0.8-1.2 mm wide, linear-lanceolate, plumbeous to stramineous, with 4-12(14) florets;

disarticulation irregular to basipetal, paleas usually persistent.

3-6(15) mm long, 1.3-2 mm wide, linear lanceolate, stramineous, with 9-30 florets;

disarticulation irregular or basipetal, paleas persistent.

Glumes

oblong to lanceolate, membranous;

lower glumes 1-1.5 mm;

upper glumes 1.3-2 mm;

lemmas 1.5-1.7 mm, ovate, membranous, lateral veins inconspicuous, apices acute to obtuse;

paleas 1.4-1.7 mm, obtuse;

anthers 3, 0.6-0.9 mm, yellowish.

subequal, 1-1.3 mm, ovate, membranous, apices obtuse to acute;

lemmas 1.4-1.6 mm, ovate, membranous, glabrous, lateral veins conspicuous, green, sometimes obscure towards the apices, apices obtuse;

paleas 1.4-1.6 mm, hyaline, apices truncate, ciliolate;

anthers 3, 0.5-0.8 mm, yellowish.

Caryopses

0.6-0.8 mm, ellipsoid to obovoid, dorsally compressed, sometimes with a shallow adaxial groove, smooth, translucent, mostly light brown, embryo region dark brown with a greenish ring.

0.4-0.5 mm, oblong-ellipsoid, strongly dorsally compressed, usually with a shallow dorsal groove, smooth to finely striate, mostly light brown, bases often greenish.

2n

= 40, 60.

= unknown.

Eragrostis lehmanniana

Eragrostis setifolia

Distribution
from FNA
AZ; CA; NM; OK; TX; UT
[WildflowerSearch map]
[BONAP county map]
from USDA
[BONAP county map]
Discussion

Eragrostis lehmanniana is native to southern Africa, where it grows in sandy, savannah habitats. It was introduced for erosion control in the southern United States, where it often displaces native species. In the Flora region, it grows in sandy flats, along roadsides, on calcareous slopes, and in disturbed areas, at 200-1830 m. It is commonly found in association with Larrea tridentata, Opuntia, Quercus, Juniperus, and Bouteloua gracilis.

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

Eragrostis setifolia is an Australian species that was collected around the Santee Wool Combing Mill, Jamestown, Berkeley County, South Carolina, in 1958. It is not known to have spread from that location. There is no illustration of the species because it was a late addition to the treatment. For digital images, see http://herbarium.usu.edu/webmanual/.

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

Source FNA vol. 25, p. 76. FNA vol. 25, p. 78.
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. hypnoides, E. intermedia, E. japonica, 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. silveana, E. spectabilis, E. spicata, E. superba, E. swallenii, E. tef, E. trichodes, E. trichophora, E. unioloides
Name authority Nees Nees
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