Spurred Butterfly Pea, Climbing Butterfly Pea, Wild Blue Vine, Virginia Centro, Butterflypea - Centrosema virginianum
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Centrosema virginianum - Spurred Butterfly Pea, Climbing Butterfly Pea, Wild Blue Vine, Virginia Centro, Butterflypea. There are about 40 species of Centrosema worldwide; 3 are found in the continental United States. 2 of those are found only in Florida (a native species, C. arenicola, and an introduced species, C. sagittatum.) There are also 2 additional Centrosema species found in Puerto Rico; 1 of those is also in the U.S. Virgin Islands. Centrosema virginianum, Spurred Butterfly Pea, is found in 18 states, Puerto Rico, and the USVI.
It is primarily a plant of the southeastern U.S., but is found as far north as Illinois and New Jersey. It is Endangered in New Jersey. Since this is the only Centrosema species in most of its range, and it is similar to Clitoria mariana, is it most confused with that species. These plants share the trait of having the standard lower than the other petals; most legumes have the standard held above the other petals.
Found in:
AL, AR, DE, FL, GA, IL, KY, LA, MD, MO, MS, NC, NJ, OK, SC, TN, TX, VA
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Distribution of Centrosema virginianum in the United States and Canada:
Map courtesy of The Biota of North America Program.
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| | Site: Hamilton County, TN Date: 2013-August-17 | Photographer: Gerald C. Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro | here are about 40 species of Centrosema worldwide; 3 are found in the continental United States. 2 of those are found only in Florida (a native species, C. arenicola, and an introduced species, C. sagittatum.) There are also 2 additional Centrosema species found in Puerto Rico; 1 of those is also in the U.S. Virgin Islands. Centrosema virginianum, Spurred Butterfly Pea, is found in 18 states, Puerto Rico, and the USVI.
It is primarily a plant of the southeastern U.S., but is found as far north as Illinois and New Jersey. It is Endangered in New Jersey. Since this is the only Centrosema species in most of its range, and it is similar to Clitoria mariana, is it most confused with that species. These plants share the trait of having the standard lower than the other petals; most legumes have the standard held above the other petals.
Found in: AL, AR, DE, FL, GA, IL, KY, LA, MD, MO, MS, NC, NJ, OK, SC, TN, TX, VA | | 
| | Site: Hamilton County, TN Date: 2013-August-17 | Photographer: Gerald C Williamson
Nikon D7000 | | The leaves are trifoliate, rising from a thin, climbing vine which twists around its host plant, in this case a small oak. The leaflets are up to about 2 inches long. The vine may be up to 2 or 3 feet long. There are one to four axillary flowers in each cluster. | | Click on the photo for a larger image
| | Site: Hamilton County, TN Date: 2013-August-17 | Photographer: Gerald C Williamson
Nikon D7000 | | The seedpods are elongated and hairy. | | Click on the photo for a larger image
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References used for identification and information:
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