Family | Scientific Name | Common Name | Habitat | Distribution | Image |
Fabaceae | Indigofera caroliniana | Carolina Indigo | Longleaf pine sandhills, Florida scrub, maritime forests, other sandy forests and woodlands. | E. NC south to s. FL, west to se. LA, a Southeastern Coastal Plain endemic. | 
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Fabaceae | Indigofera colutea | Rusty Indigo | Dry, disturbed areas. | Native of Africa. | |
Fabaceae | Indigofera decora | Chinese Indigo | Planted horticulturally and spreading to nearby roadbanks, potentially invasive. | Native of China. In GA (Oglethorpe County). | |
Fabaceae | Indigofera hirsuta | Hairy Indigo | Sandy disturbed areas, such as wildlife ‘food fields’. | Native of the Old World tropics. First reported for SC by Nelson & Kelly (1997). Also known from other scattered locations in the Southeast, such as s. MS (S.W. Leonard, 2006, pers.comm.) and AL (Diamond & Woods 2009). | 
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Fabaceae | Indigofera miniata | Coastal Indigo, Scarlet-pea | Dunes, dry disturbed areas. | S. KS south to s. TX, disjunct eastward in FL and (?) GA (where reported by Chapman 1883). | 
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Fabaceae | Indigofera oxycarpa | Florida Keys Indigo | Rockland hammocks, coastal rock barrens, shell mounds. | S. FL; West Indies (Cuba, Jamaica); Central America; South America (Brazil). | |
Fabaceae | Indigofera pilosa | Soft-hairy Indigo | Disturbed areas. | Native of Africa. | |
Fabaceae | Indigofera spicata | Trailing Indigo, Creeping Indigo | Dry, disturbed areas, hammocks, dunes. | Native of Africa. Reported for Camden County, GA (Carter, Baker, & Morris 2009) and Mobile County, AL (Barger et al. 2012). | 
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Fabaceae | Indigofera suffruticosa | West Indian Indigo | Disturbed areas, dry sandy woodlands, formerly commonly cultivated; in NC, SC, and GA, formerly locally established as a weed in the period of its cultivation, but perhaps no longer present. | Native of the New World tropics and subtropics, including the Southeastern United States. | 
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Fabaceae | Indigofera tinctoria | African Indigo | Formerly commonly cultivated, locally established as a weed at that time, perhaps no longer present in northern parts of our area, but persistent as a weed in southern Florida. | Native of Africa. Both this species and I. suffruticosa were cultivated as an important export crop in the Coastal Plain of GA, SC, and (less so) NC in the seventeenth and eighteenth centuries. | 
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Fabaceae | Indigofera trifoliata | Three-leaflet Indigo | Waif on ore piles. | Native of the Old World tropics. | 
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