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Article Excerpt
Centrosema means spur on the back of the standard (Dean et. al 1973). Throughout the world, this genus exhibits flowers in white, violet, rose, pink, or blue on a total of 50 shrub and herb species, of which 45 are in the American tropics with approximately 30 being vines; three of which occur in the southeastern states with only one species being outside Florida (Small 1933, Gerth Van Wijk 1971, Willis 1973, Allen and Allen 1981, Venning 1984).
Spurred butterfly pea (C. virginianum) is common in Mississippi. A white flower form may be rare (Ronald Wieland, Minnesota Department of Natural Resources, John McDonald, Mississippi State University, Alan Weakley, University of North Carolina Herbarium, Paul Fantz, North Carolina State University, Steve Leonard, consulting botanist, Wiggins, MS, Heather Sullivan, Mississippi Museum of Natural Science, and Gail Barton, Mississippi Native Plant Society, personal communications, 2006-2008). It commonly has been reported to have violet, purple, or blue flowers (Gray 1870, Robinson and Fernald 1908, Britton and Brown 1913, Dormon 1934, Gleason 1952, Greene and Blomquist 1953, Gleason and Cronquist 1963, Long and Lakela 1971, Dean et. al 1973, Stones...
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