Holboell's Rockcress,Arabis holboellii, var. retrofracta
Family: Brassicaceae - MUSTARD FAMILY
Genus: Arabis is Greek for 'mustard' or 'cress'
Species: holboellii after Carl Peter Holboll, Danish naturalist
The mustard family was formerly named Cruciferae in reference to the crosslike formation of the four petals. The pale purple flowers of four petals form the classic cross of a mustard flower and are about 0.5 " (7 - 8 mm) long. Stems are between one and two feet in height with unstalked lance-shaped leaves which clasp the stem (unfortunately not shown here). Usually found in gravelly locations to 5,000' elevation. (ref. Biek)
Trail Notes:
Trail/Hike: Hwy. 410
Date: May 31, 2009
Location: edge of road approx. 0.5 mi. south of Sunrise/White River junction
