Dryopetalon runcinatum – Rockmustard

Dryopetalon runcinatum - Rockmustard, Rock Mustard

Dryopetalon runcinatum - Rockmustard, Rock Mustard

Plant Name

Scientific Name: Dryopetalon runcinatum

Common Names: Rockmustard, Rock Mustard

Plant Characteristics

Duration: Biennial, Perennial

Growth Habit: Herb/Forb

Arizona Native Status: Native

Habitat: Desert, Upland, Mountain. These cool weather wildflowers grow in moist, rocky canyons and on rocky hillsides in partly shaded locations under trees or next to large rocks.

Flower Color: White, Pale pinkish violet

Flowering Season: Winter (late), Spring

Height: To 2 feet (61 cm) tall

Description: The flowers are in terminal clusters. The individual flowers have 4, fringed petals, each with 4 to 9 lobes, giving them a fringed appearance. The flowers are followed by slender, elongated, upright seedpods. The leaves are green and deeply pinnately lobed or pinnately divided. The stems are green and leafy.


Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae – Mustard family
Genus: Dryopetalon A. Gray – dryopetalon
Species: Dryopetalon runcinatum A. Gray – rockmustard

More About This Plant

Arizona County Distribution Map