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Partridge Pea

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description Partridge Pea Overview

Partridge pea, Chamaecrista fasciculata, is an annual legume native to much of eastern and central North America. It bears pinnate leaves, yellow summer flowers with reddish markings, and flattened seedpods that split open when mature. Extrafloral nectaries on its leaf stalks attract ants and other insects, while its foliage serves as larval food for several sulphur butterflies, including the cloudless sulphur and sleepy orange.

help Partridge Pea FAQ

Where does the Partridge Pea grow natively?

Partridge pea (Chamaecrista fasciculata) is an annual legume native to much of the eastern and central United States. It thrives in sandy soils and is commonly found blooming in prairies, open woods, and disturbed roadside areas during the summer.

What are the extrafloral nectaries on a Partridge Pea?

Partridge pea plants possess specialized glands called extrafloral nectaries located on their leaf stalks. These nectaries secrete a sugary substance that attracts beneficial insects like ants and wasps, which in turn help protect the plant from herbivorous pests.

Is Partridge Pea good for wildlife and pollinators?

Yes, it is highly beneficial; the bright yellow summer flowers with reddish markings are a vital source of nectar for various bee species and butterflies. Additionally, the mature seedpods serve as an important food source for birds like bobwhite quail and greater prairie-chickens.

Does Partridge Pea require specific soil bacteria to grow?

As a legume, partridge pea forms a symbiotic relationship with nitrogen-fixing bacteria in the soil, specifically from the genus Rhizobium. This allows the plant to thrive in poor, nitrogen-deficient soils while naturally improving the soil's fertility for surrounding plants.

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