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Lepidium virginicum L.
VIRGINIA PEPPERWEED
Lentejilla Mexico; Least Pepperwort; Lepidium densiflorum Schrad; Lepidium neglectum Thell; Lepidium micropterum

Life   Plantae   Dicotyledoneae   Brassicaceae   Lepidium

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Lepidium virginicum, Wild Peppergrass
© Copyright Sheryl Pollock 2011 · 7
Lepidium virginicum, Wild Peppergrass
Lepidium virginicum
© Copyright Bobby Hattaway 2011 · 5
Lepidium virginicum

Lepidium virginicum
© Copyright Bobby Hattaway 2011 · 5
Lepidium virginicum
Lepidium virginicum
© Copyright Bobby Hattaway 2011 · 5
Lepidium virginicum

Lepidium virginicum
© Copyright Bobby Hattaway 2011 · 5
Lepidium virginicum
Lepidium virginicum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, whole plant - in flower - general view

Lepidium virginicum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, inflorescence - whole - unspecified
Lepidium virginicum, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, fruit - as borne on the plant

Lepidium virginicum, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, inflorescence - frontal view of flower
Lepidium virginicum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, stem - showing leaf bases

Lepidium virginicum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, stem - showing leaf bases
Lepidium virginicum, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Lepidium virginicum, leaf - basal or on lower stem

Lepidium virginicum
© Les Mehrhoff, 2008-2010 · 4
Lepidium virginicum
Lepidium virginicum, Wild Peppergrass
© Copyright Sheryl Pollock 2011 · 3
Lepidium virginicum, Wild Peppergrass

Associates · map
FamilyScientific name @ source (records)
Albuginaceae  Albugo candida @ BPI (25)
Dermateaceae  Cylindrosporium capsellae @ BPI (1)
Miridae  Coridromius chenopoderis @ AMNH_PBI (1)

Lygus lineolaris @ MEMU_ENT (11)

Orthotylus ornatus @ MEMU_ENT (1)

Polymerus basalis @ MEMU_ENT (1)

Pseudatomoscelis seriatus @ MEMU_ENT (3)

Taylorilygus apicalis @ MEMU_ENT (1)
Mycosphaerellaceae  Cercospora bizzozeriana @ BPI (1)

Cercospora lepidii @ BPI (3)

Septoria lepidiicola @ 380954A (1); 380954B (1); 380961B (1); BPI (10); 380961A (1)
Peronosporaceae  Peronospora lepidii-virginici @ BPI (3)

Peronospora lepidii @ BPI (5)

Peronospora parasitica @ BPI (36); 790501B (1)
Pucciniaceae  Puccinia subnitens @ BPI (2)
Synchytriaceae  Synchytrium lepidii @ BPI (14)

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Delaware Wildflowers  •  Scientific names

Lepidium virginicum L. subsp. virginicum Poor-man's Pepper-grass
(Virginia Pepperweed) Brassicaceae — Mustard family
Native
Lepidium virginicum subsp. virginicum
White Clay Creek State Park -- Creek Road
June 2002 Lepidium virginicum subsp. virginicum Lepidium virginicum subsp. virginicum
White Clay Creek State Park -- Thompson Station Road
May 2017

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Photos copyright David G. Smith

Delaware Wildflowers main page

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FNA Vol. 7 Page 570, 574, 591, 593 , 594 , 595 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Lepidium

42. Lepidium virginicum Linnaeus, Sp. Pl. 2: 645. 1753.

Annuals; puberulent, (trichomes cylindrical). Stems simple from base, erect, branched distally, (0.6-)1.5-5.5(-7) dm. Basal leaves (withered by anthesis); not rosulate; petiole 0.5-3.5 cm; blade obovate, spatulate, or oblanceolate, (1-)2.5-10(-15) cm × 5-30(-50) mm, margins pinnatifid to lyrate or dentate. Cauline leaves shortly petiolate; blade oblanceolate or linear, 1-6 cm × (1-)3-10 mm, base attenuate to subcuneate, not auriculate, margins serrate or entire. Racemes considerably elongated in fruit; rachis usually puberulent, rarely glabrous, trichomes curved, cylindrical. Fruiting pedicels divaricate-ascending to nearly horizontal, straight or slightly recurved, (slender, terete or flattened), 2.5-4(-6) × 0.15-0.4 mm, puberulent adaxially or, rarely, throughout or glabrous. Flowers: sepals oblong to ovate, (0.5-)0.7-1(-1.1) × 0.4-0.7 mm; petals (rarely rudimentary), white, spatulate to oblanceolate, 1-2 (-2.5) × 0.3-0.8(-1) mm, claw undifferentiated or to 0.8 mm; stamens 2, median; filaments 0.6-1.2 mm; anthers 0.1-0.2 mm. Fruits orbicular or nearly so, 2.5-3.5(-4) mm diam. (widest at middle), apically winged, apical notch 0.2-0.5 mm deep; valves thin, smooth, not veined, glabrous; style 0.1-0.2 mm, included in apical notch. Seeds ovate, 1.3-1.9(-2.1) × 0.7-1(-1.2) mm; (cotyledons accumbent or incumbent).

Subspecies 2 (2 in the flora): North America, Mexico; introduced in South America, Europe, Asia, s Africa, Australia.

Updated: 2021-01-16 03:41:45 gmt
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