
Butterfly Pea
centrosema virginianum
Centrosema virginianum, commonly known as the spurred butterfly pea, is a delicate and attractive perennial climbing vine native to the pine barrens, sandy coastal zones, and open woodlands of the Americas. As a member of the legume family (Fabaceae), this resilient plant is celebrated for its intricate, lavender-to-violet orchid-like flowers and its crucial ecological role as a nitrogen fixer, which naturally enriches the nutrient-poor soils in which it thrives. Beyond its visual appeal, the spurred butterfly pea provides essential ecosystem services. It acts as an invaluable nectar source for native pollinators, particularly heavy-bodied bees capable of manipulating its specialized flower petals, and serves as a vital host plant for several butterfly caterpillars. Its climbing habit allows it to weave through surrounding grasses and shrubs, adding pops of vibrant color to sunny, dry landscapes.
Hábitat: Typically found in dry, sandy soils within open pine flatwoods, coastal dunes, oak scrub, and disturbed roadsides.
Aspecto
This climbing or trailing vine features slender, slightly hairy stems that can reach up to 200 cm in length. Its compound leaves consist of three narrow, oval-to-lanceolate leaflets. The most distinctive feature is the inverted (resupinate) flower, measuring about 3 to 4 cm across, which is predominantly pale violet, lavender, or light blue with a white and purple-striped throat. A small spur is located on the back of the broad upper petal (the banner), and the plant eventually produces long, flat, narrow seedpods that twist open when dry.

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PlantasRareza
Common
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Because it hosts nitrogen-fixing bacteria, this plant serves as a natural fertilizer, restoring soil quality in degraded or sandy ecosystems.
Its flowers are resupinate, meaning they develop upside down so that the stigmas and stamens point downward, brushing pollen onto the backs of foraging bees.
The common name 'spurred butterfly pea' comes from the small, spur-like projection on the back of its large banner petal.
Habilidades especiales
Atmospheric Nitrogen Fixation
Symbiotic rhizobium bacteria housed in its root nodules convert atmospheric nitrogen into a usable plant nutrient, allowing it to flourish in sterile, sandy soils.
Resupinate Flowering
The flowers grow upside-down compared to typical legumes, positioning the heavy banner petal at the bottom to act as a landing platform for robust pollinators.
Explosive Seed Dispersal
Upon reaching maturity, the elongated seedpods dry out and build tension, eventually splitting open rapidly and twisting to fling seeds several feet away.
Medidas y detalles
- Longitud
- 50-200 cm
- Esperanza de vida
- 2-7 años
Dieta y alimentación
As a photoautotrophic plant, it produces its own energy through photosynthesis using sunlight, water, carbon dioxide, and soil minerals.
Alimentos principales
- Sunlight
- Carbon dioxide
- Water
- Soil minerals
Conexiones ecológicas
Long-tailed Skipper
Urbanus proteus
The caterpillars feed on the leaves of the vine as their primary food source.
Eastern Carpenter Bee
Xylocopa virginica
Acts as a primary pollinator, possessing the strength required to pry open the heavy petals to reach nectar.
Northern Bobwhite
Colinus virginianus
This bird frequently consumes the highly nutritious seeds scattered by the plant.
Rasgos
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También conocido como
Todavía no hay alias listados.
Colecciones
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Seguridad
Peligro
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Preguntas frecuentes
¿Cómo identificar a Butterfly Pea?
La forma más fácil de identificar a Butterfly Pea es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Butterfly Pea?
50-200 cm
¿Cuál es el esperanza de vida de Butterfly Pea?
2-7 años
¿Qué come Butterfly Pea?
As a photoautotrophic plant, it produces its own energy through photosynthesis using sunlight, water, carbon dioxide, and soil minerals.
¿Dónde se encuentra normalmente Butterfly Pea?
Typically found in dry, sandy soils within open pine flatwoods, coastal dunes, oak scrub, and disturbed roadsides.
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Dónde verlo

South Carolina, US
Caldwell Street Historic District
Puedes ver Butterfly Pea, Busardo Colirrojo y Cardenal Norteño.
Ver guía →

Mississippi, US
Harrell Prairie Botanical Area
Puedes ver Algodoncillo Mariposa, Eryngium Yuccifolium y Yellow Puff.
Ver guía →


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