Chamaecrista fasciculata (Michx.) Greene - Partridge Pea


 

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Chamaecrista fasciculata - (image 1 of 6)

 

Taxonomy

Family: Fabaceae

Habitat

Open, dry, usually disturbed habitats.

Associates

 

Distribution

MA to southern MN, south to FL and Mexico. More common south.

Morphology

Annual; stems usually erect or ascending, pubescent; petiolar gland saucer-shaped, sessile or nearly so; leaflets in 5-18 pairs, oblong, usually 1-2 cm, acute to obtuse, mucronate; flowers 1-6 in short, axillary, bracteate racemes; pedicels 1-2 cm; petals subequal, 1-2 cm, 4 of them marked with red at the base; stamens 10, very unequal; anthers linear, several times longer than their filaments, the two largest often 8 mm; pods linear-oblong, 3-6 cm, flat, straight.

Notes

Flowers July to September

Wetland indicator: FACU

The flowers tend to be asymmetrical with one of the wing petals usually incurved toward the enlarged anthers.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 


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Michael Hough 2018