North America Native Plant

Pineland Butterfly Pea

Botanical name: Centrosema arenicola

USDA symbol: CEAR5

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Bradburya arenicola Small (BRAR13)  âš˜  Bradburya floridana Britton (BRFL2)  âš˜  Centrosema floridanum (Britton) Lakela (CEFL3)   

Pineland Butterfly Pea: A Rare Florida Native Worth Protecting in Your Garden If you’re passionate about Florida native plants and supporting local ecosystems, the pineland butterfly pea (Centrosema arenicola) might just be the hidden gem your garden needs. This charming little legume is more than just another pretty flower – ...

Rare plant alert!

Region: Conservation status by state

Status: S2Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Pineland Butterfly Pea: A Rare Florida Native Worth Protecting in Your Garden

If you’re passionate about Florida native plants and supporting local ecosystems, the pineland butterfly pea (Centrosema arenicola) might just be the hidden gem your garden needs. This charming little legume is more than just another pretty flower – it’s a piece of Florida’s natural heritage that deserves our attention and protection.

What Makes Pineland Butterfly Pea Special?

The pineland butterfly pea is a perennial herbaceous plant that belongs to the pea family. Unlike its woody cousins, this Florida native is a forb – essentially a soft-stemmed plant that dies back to ground level each year but returns faithfully from its roots. You might also encounter it in older botanical references under names like Bradburya arenicola or Centrosema floridanum, but don’t let the name changes confuse you – it’s the same delightful plant.

What sets this species apart is its trailing, vine-like growth habit adorned with typical pea family flowers in lovely shades of purple and violet. The blooms are small but charming, with the characteristic butterfly shape that gives the plant its common name.

A True Florida Original

This plant is as Floridian as it gets – it’s found nowhere else in the world except the Sunshine State. Pineland butterfly pea has made its home in Florida’s unique sandy coastal areas and pine flatwoods, adapting perfectly to the state’s distinctive growing conditions.

Important Conservation Note

Here’s something every responsible gardener should know: pineland butterfly pea has a Global Conservation Status that suggests it may be imperiled in the wild. This makes it extra special – and extra important to grow responsibly. If you decide to add this native beauty to your garden, please ensure you’re purchasing from reputable native plant nurseries that propagate their stock rather than wild-collecting.

Why Your Garden (and Local Wildlife) Will Love It

As a member of the legume family, pineland butterfly pea offers several garden benefits:

  • Attracts native butterflies and bees with its nectar-rich flowers
  • Fixes nitrogen in the soil, improving growing conditions for nearby plants
  • Provides authentic habitat for Florida’s native wildlife
  • Requires minimal maintenance once established
  • Adds delicate texture and color to naturalistic plantings

Perfect Garden Situations

Pineland butterfly pea thrives in:

  • Native Florida plant gardens
  • Coastal and beach-adjacent landscapes
  • Pine garden understories
  • Low-maintenance xeriphytic (drought-tolerant) designs
  • Pollinator-focused plantings

Growing Conditions That Make It Happy

This Florida native has adapted to some pretty specific conditions, but they’re not hard to replicate:

  • Soil: Sandy, well-draining soil (think beach sand rather than heavy clay)
  • Sunlight: Full sun to partial shade
  • Water: Drought-tolerant once established, but appreciates occasional watering during dry spells
  • Climate: Thrives in USDA zones 9-11 (basically, Florida’s climate)

Planting and Care Tips

The good news is that pineland butterfly pea is relatively low-maintenance once you get it established:

  • Plant in spring after the last frost danger has passed
  • Improve heavy soils with sand to ensure good drainage
  • Water regularly the first year to help establish a strong root system
  • After establishment, water only during extended dry periods
  • Allow the plant to trail naturally or provide light support if desired
  • Minimal fertilization needed – remember, it fixes its own nitrogen!

The Bottom Line

Pineland butterfly pea represents something special: a chance to grow a piece of authentic Florida habitat in your own backyard. While its rarity means we need to be thoughtful about sourcing, its beauty, ecological value, and low-maintenance nature make it a worthwhile addition to any Florida native plant garden. By growing this charming legume, you’re not just adding beauty to your landscape – you’re participating in the conservation of Florida’s unique botanical heritage.

Just remember: source responsibly, plant thoughtfully, and enjoy watching this little native work its quiet magic in your garden while supporting the butterflies and bees that call Florida home.

Pineland Butterfly Pea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Centrosema (DC.) Benth. - butterfly pea

Species

Centrosema arenicola (Small) F.J. Herm. - pineland butterfly pea

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA