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Southern Wild Senna - Senna marilandica

Family: Fabaceae - Pea family Genus Common Name: Senna Native Status: Native
Senna marilandica - Southern Wild Senna. Member of the pea family with pinnate leaf structure and dense flower clusters in the leaf axils in the upper part of the plant.

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Senna marilandica

Distribution of Senna marilandica in the United States and Canada:
USDA Plants Distribution Map temporarily unavailable.
Blue=Native; Grey=Introduced

Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 22 Feb 2018). National Plant Data Team, Greensboro, NC 27401-4901 USA.

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Site: Walker County, GA Date: 2009-August-13Photographer: Gerald C Williamson
While senna is a member of the pea family, the blossom is not entirely pea-like. This is a lone blossom, but the blossoms normally form in clusters rising from the axils of the pennate leaves. Maybe this blossom is hiding the rest of the nascent cluster.
Senna marilandica

Site: Walker County, Ga Date: 2009-August-31Photographer: Gerald C Williamson
When the seedpod develops, the Southern Wild Senna's membership in the pea family is confirmed.
Click on the photo for a larger image
Senna marilandica

Site: Walker County, Ga Date: 2009-November-29Photographer: Gerald C Williamson
Nikon D60
1/160f/3.2 ISO200
Tamron SP 90MM f/2.8 AF Macro
90mm (135 equiv)
Southern Wild Senna seedpods in late November
Click on the photo for a larger image
Senna marilandica

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2018
Photographs Copyright owned by the named photographer