[friendsofmttam.org] Description: Streptanthus glandulosus ssp. pulchellus Brassicaceae (Rock Spg, Barth's Retreat) Fruit at least 4 times longer than wide, generally oblong to linear; Pubescence of the lower leaves absent or simple, usually not forked, trifurcate nor dendritic; Calyx more or less urn - or flask - shaped, nearly closed at full flower, often brightly - colored; petals generally strap - shaped; Lower stems and leaves hispidp - hairy; flowers strongly tinged with reddish - violet or purple. (link added by Mary Ann Machi)