Very common in limestone scree at and near Heliotrope Mountain. Just starting to come into bloom, with the flowers at the ends of the branches fully open, and with numerous buds further down. There was huge phenotypic variation between plants and populations that I saw on this day, with a diversity of hypanthium dimensions and petal characteristics.
These particular plants were found along the steep, switchback-ing trail above the parking lot for Heliotrope Mtn.