Lepidium species

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Scientific Name Lepidium draba (Cardaria draba) USDA PLANTS Symbol
CADR
Common Name Hoary Cress, Whitetop ITIS Taxonomic Serial No.
515765
Family Brassicaceae (Mustard) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine. Roadsides, disturbed areas, agricultural areas.
Plant: Perennial 8 to 20 inches high, one or more stems.
Leaves: Basal leaves oblanceolate to obovate, short petioles and irregularly-toothed and up to 4 inches long; oblong stem leaves sessile or clasping.
Inflorescence: Flat-topped, dense group of many flowers, 4 green sepals, 4 white petals and 2 to 6 stamens.
References: Descr. adapted from SEINet and www.swcoloradowildflowers.com.
Colorado Status
INVASIVE
Noxious Weed
Scientific Name Lepidium virginicum USDA PLANTS Symbol
LEVI3
Common Name Peppergrass, Virginia Pepperweed ITIS Taxonomic Serial No.
22955
Family Brassicaceae (Mustard) SEINet
Reference
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Description Life zones and habitat: Widely distributed in North America; in Colorado, plains to foothills. Dry, usually open areas.
Plant: Erect, leafy annual 4 to 20 inches tall.
Leaves: Leaves alternate; lower leaves 2 to 6 inches long, obovate, with a few pointed teeth along edges (pinnately lobed to dissected); upper leaves not clasping, smaller than lower leaves, linear to oblanceolate, tips pointed, sometimes toothed edges, sparsely hairy.
Inflorescence: Multiple clusters (racemes) up to 4 inches long with many small flowers each with 4 green sepals, 4 white petals nearly twice as long as sepals, and 2 to 4 stamens.
References: Descr. adapted from SEINet.
Colorado Status
Native

© Tom Lebsack 2017