Lupinus arizonicus – Arizona Lupine

Lupinus arizonicus - Arizona Lupine (purple flowers)

Lupinus arizonicus - Arizona Lupine (pink flowers)

Lupinus arizonicus - Arizona Lupine

Plant Name

Scientific Name: Lupinus arizonicus

Common Name: Arizona Lupine

Plant Characteristics

Duration: Annual

Growth Habit: Herb/Forb

Arizona Native Status: Native

Habitat: Desert

Flower Color: Pinkish purple, Pink

Flowering Season: Spring

Height: To 2 feet (61 cm) tall

Description: The pea-shaped flowers are spiraled along hairy flower spikes. The individual flowers are 1/2 inch (1.3 cm) long and have a red-spotted, yellow and white banner spot that becomes deep magenta with age. The leaves are palmately compound with 6 to 10 leaflets. The upper surfaces of the leaflets are hairless.

The similar Coulter's Lupine (Lupinus sparsiflorus) has bluer (or rarely white) flowers and narrower leaflets with hair on the upper surface. Other desert lupines are typically either much smaller or larger plants than these two species.


Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Rosidae
Order: Fabales
Family: Fabaceae – Pea family
Genus: Lupinus L. – lupine
Species: Lupinus arizonicus (S. Watson) S. Watson – Arizona lupine

More About This Plant

Arizona County Distribution Map