Overview

Distribution

Eragrostis purshii var. pauciflora E. Fourn.:
Mexico (Mesoamerica)
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Eragrostis diffusa var. diffusa :
Guatemala (Mesoamerica)
Mexico (Mesoamerica)
United States (North America)
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Eragrostis pectinacea (Michx.) Steud.:
Mexico (Mesoamerica)
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Eragrostis diffusa Buckley:
Guatemala (Mesoamerica)
Honduras (Mesoamerica)
Mexico (Mesoamerica)
New Zealand (Oceania)
United States (North America)
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Eragrostis pectinacea (Michx.) Nees:
Brazil (South America)
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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Physical Description

Morphology

Physical Description

Annuals, Terrestrial, not aquatic, Stems nodes swollen or bri ttle, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes solid or spongy, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, Leaves mostly cauline, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath hairy at summit, throat, or collar, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Leaf blades scabrous, roughened, or wrinkled, Ligule present, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence a contracted panicle, narrowly paniculate, branches a ppressed or ascending, Inflorescence a dense slender spike-like panicle or raceme, branches contracted, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 3-7 florets, Spikelets with 8-40 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes equal or subequal, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes 1 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma similar in texture to glumes, Lemma 3 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Palea keels winged, scabrous, or ciliate, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Type Information

Type fragment for Eragrostis diffusa Buckley
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): S. B. Buckley
Locality: Texas, United States, North America
  • Type fragment: Buckley, S. B. 1862. Proc. Acad. Nat. Sci. Philadelphia. 14: 97.
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Molecular Biology and Genetics

Barcode

Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Eragrostis pectinacea
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                                             
Specimen Records:8
Specimens with Sequences:11
Specimens with Barcodes:7
Public Records:5
Species:1
Species With Barcodes:1
  
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Molecular Biology

Statistics of barcoding coverage: Eragrostis pectinacea

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Species: 8
Species With Barcodes: 1

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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: N5 - Secure

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Wikipedia

Eragrostis pectinacea

Eragrostis pectinacea is a species of grass known by the common name Tufted lovegrass. This plant is native to the Americas from Canada to Argentina. It is widespread, growing in most open spaces at varying elevations and habitats, including in disturbed areas and roadsides.

Description

Eragrostis pectinacea is an annual tuft-forming bunchgrass, reaching maximum heights of anywhere from 10 to 80 centimeters. It is mostly hairless except for a fringe of hairs near where the leaf blade meets the sheath. The inflorescence is open with spreading branches holding yellowish to purplish spikelets, each just under centimeter long. Each narrow spikelet has up to 15 or 20 tiny florets.

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