Vascular Plants of North Carolina
Account for Roadside Pennycress - Thlaspi alliaceum   L.
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Section 6 » Order Capparales » Family Brassicaceae
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AuthorL.
DistributionMountains and northern Piedmont. Expected elsewhere.

Native to Europe; in N.A. PA to IN south to NC, TN, and LA.
AbundanceRare.
HabitatRoadsides.
PhenologyFlowering and fruiting March-May.
IdentificationLike Teesdalia, Roadside Pennycress produces long inflorescences, but in this case the plants are twice as large (well over 1 foot tall) and the inflorescences are twice as long. The stems have several to many linear to narrowly lanceolate, blunt leaves. The flowers are white; the pods are elliptical and a bit longer than wide.
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State RankSE
Global RankGNR
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