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Close-up of small pink flowers with green leaves in a circular frame.
Common Name: ‘Auhuhu
Scientific Name: Tephrosia purpurea
Description:

ʻAuhuhu (Tephrosia purpurea) is a small shrub that makes small purple and white pea flowers. Although it has a lifespan of 1-2 years, they reproduce often during their lifetime, ensuring their presence in your landscape for years to come. ʻAuhuhu prefers full sun and doesn’t require much water once they are established.

ʻAuhuhu is also known as the ‘Hawaiian Fish Poisoning Plant’ because it is sometimes used by fisherman in closed bodies of water to intoxicate fish, making them easier to catch. The same fish intoxicating juice produced by its leaves can be ground and mixed with salt and niu to treat cuts and itchy skin.

Growing Conditions:

Sun requirements: Full sun

Watering needs: Keep soil moist while becoming established. Less once established

Soil preferences: Well-draining

Elevation: 10-2000 ft

Cultural & Practical Uses:

Cultural significance: Can be used as a poison to catch fish and as a topical treatment for cuts and irritated skin when mixed with salt and niu.

Practical applications: Rapidly reproduces and makes a nice landscape plant.

Growth Rate & Size:

Growth rate: fast and relatively short lived. If wanted to persist in cultivation collect and sow the beans for the next generation or let them fall to the soil and perpetuate themselves.

Mature size: <5 ft usually much shorter.

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