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Amorpha herbacea

Amorpha herbacea Walter

Clusterspike False Indigo, Cluster-spike Indigobush

Fabaceae (Pea Family)



USDA Native Status: L48 (N)

Amorpha herbacea has whitish to blue-violet flowers in fan-like masses on top of the plant and gray-downy foliage with up to 40 leaflets.


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Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 4 feet tall.

Bloom Information

Bloom Color: White , Blue , Violet
Bloom Time: Mar , Apr , May , Jun , Jul , Aug


USA: AL , FL , GA , NC , SC
Native Habitat: Edges of sub-xeric sand hills, scrub, scrubby flatwoods.

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

Status: FAC FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Research Literature

Reslit 670 - Notes about Psoralea sensu auct, Amorpha, Baptisia, Sesbania, and Chamaecrista (Leguminosae) in the southeastern United States (1986) D. Isely
Reslit 835 - Floral Biology and Breeding System of the Crenulate Leadplant, Amorpha herbacea var. crenulata, an Endangered South Florida Pine Rockland Endemic (2010) L. J. Linares and S. Koptur
Reslit 868 - Are rare species less shade tolerant than common species in fire-prone environments? A test with seven Amorpha (Fabaceae) species (2009) R. M. Marchin, R. K. Bhandari, W. A. Wall, M. G. H...
Reslit 1175 - Propagation protocol for the endangered crenulate lead plant, Amorpha herbacea var. crenulata (2006) J. Roncal, J. B. Fisher, M. Q. N. Fellows, K. S. W...
Reslit 1364 - Characterization of 12 polymorphic microsatellite markers for Georgia false indigo (Amorpha georgiana Wilbur var. georgiana), an endangered species, and their utility in other dwarf Amorpha L. species (2009) S. C. K. Straub, S. M. Bogdanowicz and J. J. Doyle
Reslit 1365 - Conservation genetics of Amorpha georgiana (Fabaceae), an endangered legume of the Southeastern United States (2009) S. C. K. Straub and J. J. Doyle
Reslit 1482 - Rescue and Restoration: Experimental Translocation of Amorpha herbacea Walter var. crenulata (Rybd.) Isley into a Novel Urban Habitat (2008) K. S. Wendelberger, M. Q. N. Fellows and J. Maschi...
Reslit 1483 - Linking Geographical Information Systems and Observational and Experimental Studies to Determine Optimal Seedling Microsites of an Endangered Plant in a Subtropical Urban Fire-Adapted Ecosystem (2009) K. S. Wendelberger and J. Maschinski
Reslit 1508 - A revision of the dwarf species of Amorpha (Leguminosae) (1964) R. L. Wilbur

This information was provided by the Florida WIldflower Foundation.
Search More Titles in Research Literature

Additional resources

USDA: Find Amorpha herbacea in USDA Plants
FNA: Find Amorpha herbacea in the Flora of North America (if available)
Google: Search Google for Amorpha herbacea


Record Modified: 2022-11-11
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