Field guide to common legume species of the longleaf pine ecosystem. Globe Pequot Press, Guilford, Connecticut. thesis, North Carolina State University, Raleigh. georgiana groups at Fort Bragg, North Carolina. Habitat characterization of Amorpha georgiana var. Georgia Department of Natural Resources, Wildlife Resources Division. Element occurrence records for Amorpha georgiana. State Botanical Garden of Georgia and University of Georgia Press, Athens. Field guide to the rare plants of Georgia. Focused effort on conservation of this population is needed because its habitat has been severely degraded through mechanical site preparation for tree farming and the overgrowth of brush due to prolonged fire suppression" (Straub and Doyle 2007). Georgia's single extant population is genetically distinctive and "deserves special conservation consideration because it has numerous private alleles, is geographically isolated, and has historical value as the type locality for the species. Avoid clearcutting and other mechanical disturbances to the understory. Conservation Management RecommendationsĪpply prescribed fire in Longleaf Pine stands every 2-3 years. Three populations have been observed in Georgia, none on conservation lands. Georgia Conservation StatusĪmorpha georgiana is listed as Endangered by the State of Georgia and is ranked S1 by the Georgia Department of Natural Resources, indicating that it is critically imperiled in the state. Threatsįire suppression, conversion of habitat to pine plantations, agriculture, and development. Georgia, North Carolina, and South Carolina, in the Coastal Plain. Plants flower and fruit the first and second years after a fire. Surveys are best conducted during flowering (mid-April–early May) although fruits, which may persist until early April of the following year, are helpful in identification. The leaves are high in protein and heavily browsed by mammals, including deer. Pearl crescent butterflies also visit the flowers. Georgia Indigo-bush flowers are probably pollinated by the same insects as are Amorpha fruticosa and Amorpha canescens: short- and long-tongued bees, flower bees, and wasps seeking nectar and pollen. Longleaf Pine woodlands, flatwoods, and savannas sunny openings around Altamaha Grit and flint kaolin outcrops stream terraces. schwerinii), a tall shrub, occurs in rocky, upland woods in several Piedmont counties. nitens), a tall shrub found on rocky slopes and floodplains in several northwest, Piedmont, and Coastal Plain counties. floridana) is a low shrub found on the Alapaha River floodplain. Related Rare Speciesįlorida Indigo-bush ( Amorpha herbacea var. Three other similar Indigo-bushes are rare in Georgia, see below. It has typical, 5-petaled pea-family flowers with an erect, yellow banner petal two pink wing petals and a pink keel. The leaflets lack the sharply pointed tip, and its stems are hairy. Goat’s-rue ( Tephrosia virginiana) is a common perennial herb with similar compound leaves that have 15 - 25 leaflets. The midvein of the leaflet extends into a pointed or swollen tip, and the margins of the leaflets are not inrolled. Indigo-bush ( Amorpha fruticosa) is a common shrub, 3 - 12 feet (1 - 4 m) tall its leaflets are 0.4 - 1.6 inch (1 - 4 cm) long, and its leaf stalks are 0.4 - 1.6 inches (1 - 4 cm) long. Fruit pods are legumes less than 0.2 inch (0.5 cm) long, wider at the tip, tapering to the base. Flowers are in spike-like clusters 1 - 2.8 inches (2.5 - 7 cm) long, and have only 1 dark purple petal and 10 orange-tipped stamens. The leaflets are 0.2 - 0.5 inch (0.6 - 1.2 cm) long, oblong, with inrolled margins midvein of each leaflet extends beyond the tip into a tiny, sharp point. The leaves are compound, alternate, and up to 7 inches (18 cm) long, alternate, with 11 - 47 leaflets the leaf stalks are up to 0.8 inch (2 cm) long. Woody subshrub 1 - 3 feet (30 - 100 cm) tall with smooth or nearly hairless stems.
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