Vascular Plants of North Carolina
Account for Horseradish - Armoracia rusticana   Gaertner, Meyer, & Scherbius
Members of Brassicaceae:
Only member of Armoracia in NC.
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Section 6 » Order Capparales » Family Brassicaceae
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AuthorGaertner, Meyer, & Scherbius
DistributionVouchered from four counties in the Mountains.

Native of Eurasia; in N.A. -- N.S. to B.C. south to NC, TN, and AZ.
AbundanceVery rare.
HabitatEdge of stream, roadside, meadow, garden weed in seepage area.
PhenologyFlowering and fruiting April-July.
IdentificationHorseradish has 2 types of leaves: basal ones from very long stalks, with large blades broadly elliptical or obovate; and stem leaves that are smaller, lance-shaped, and varying from pinnately cut to merely toothed. The plants grow 1.5-3 feet tall, with a terminal cluster of numerous medium-sized white flowers, typical of those of mustards.
Taxonomic Comments
Other Common Name(s)
State RankSE
Global RankGNR
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US Status
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