Clitoria mariana
| Clitoria mariana | |
|---|---|
 |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Clitoria |
| Species: | C. mariana |
| Binomial name | |
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Clitoria mariana L. |
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| Synonyms | |
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Martiusia mariana (L.) Small |
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Martiusia mariana (L.) Small
Nauchea mariana (L.) Descourt.
Ternatea mariana (L.) Kuntze
Vexillaria mariana (L.) Raf. Eaton
Clitoria mariana (known by the common names butterfly pea or Atlantic pigeon wings), is a perennial forb native to the eastern and southwestern United States, and Asia, which produces purple flowers in summer.
The ascending, sometimes twining stem of Clitoria mariana is 45 to 60 centimeters long. The leaves are pinnately trifoliate, borne on petioles with stipules. The thin, smooth or slightly hairy leaflets are ovate, 2.5 to 11 centimeters long, and 1.5 to 5 centimeters wide. The flowers are axillary, usually solitary, and resupinate. The calyx is tubular. The corolla of the flower is about 5 centimeters long, its wings and keel much shorter than the standard. The fruit is a linear oblong pod, 25 millimeters long and 5 millimeters wide.
Clitoria mariana is widely distributed throughout the eastern and southwestern United States, although local distribution may be spotty. It has been recorded in Alabama, Arkansas, Arizona, Washington, D.C., Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Wisconsin, and West Virginia. It is listed as an endangered species by the states of New Jersey and Pennsylvania. The range of Clitoria mariana also includes parts of India, Bhutan, Laos, Myanmar, Thailand, Vietnam, and the Chinese provinces of Guangxi, and Yunnan. In Virginia, it grows in habitats such as dry open forests, shale barrens, and rocky or sandy woodlands. The presence of this species is dependent on appropriate habitat, and it may be eliminated from an area by development, changes in land use, or competition with invasive species.
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Wikipedia