Hairy Rock Cress

(Arabis hirsuta)

 

Color Photograph: Wikipedia GNU Free Documentation License, Photographer Unknown

Line Drawing: Britton, N.L., and A. Brown. 1913. An Illustrated Flora of the Northern United States and Canada, Second Edition.

 

Hairy Rock Cress (Arabis hirsuta)

Identification: Flowers white. Seed pods elongate, flattened, pointing upward, but spreading. All leaves usually hairy. Basal leaves forming a rosette, paddle-shaped. Stem leaves elongate with toothed outer margins, and bases clasping the stem. Plant 1 to 2 feet in height.

Distribution: Throughout most of North America except for the southeastern and south-central United States.

Habitat: This species is usually found on rock ledges and cliffs.

Flowering period: May to June.

Hairy Rock Cress (Arabis hirsuta)

Similar Species:

 The basal rosette of hairy leaves and hairy, clasping leaves on the stem, will usually identify this species. The Whitlow-grasses of the genus Draba have few if any leaves on the stem and the seed pods are ovate, not elongate.

 

Similar Species

No Similar Species