North America Native Plant

Passionflower

Botanical name: Passiflora ×belotii

USDA symbol: PABE10

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Passiflora altocaerulea Lindl. (PAAL17)   

Belot’s Passionflower: A Rare Native Hybrid Worth Knowing About Meet Passiflora ×belotii, a fascinating and quite mysterious member of the passionflower family that calls Florida home. While most gardeners are familiar with common passionflowers, this particular hybrid is something of a botanical enigma – and that’s part of what makes ...

Belot’s Passionflower: A Rare Native Hybrid Worth Knowing About

Meet Passiflora ×belotii, a fascinating and quite mysterious member of the passionflower family that calls Florida home. While most gardeners are familiar with common passionflowers, this particular hybrid is something of a botanical enigma – and that’s part of what makes it so intriguing!

What Makes This Passionflower Special?

Passiflora ×belotii (also known by its synonym Passiflora altocaerulea) is a perennial hybrid passionflower that’s native to the United States, specifically found in Florida. The × in its name tells us this is a natural hybrid, meaning it’s the result of two different passionflower species crossing in the wild – nature’s own plant breeding experiment!

Unlike woody vines you might expect from passionflowers, this species grows as what botanists call a forb herb – essentially a non-woody perennial plant that dies back to ground level and regrows from its roots each year.

Where You’ll Find It Growing Wild

This rare passionflower has a very limited native range, documented only in Florida. Its restricted distribution makes it a truly special addition to native plant gardens in the Sunshine State.

The Challenge (And Appeal) of Growing Passiflora ×belotii

Here’s where things get interesting – and a bit challenging. This passionflower hybrid is so uncommon that there’s very little documented information about its specific growing requirements, appearance, or garden performance. This rarity presents both an opportunity and a responsibility for native plant enthusiasts.

What We Know (And What We Don’t)

Unfortunately, detailed information about this hybrid’s:

  • Specific growing conditions and care requirements
  • Mature size and growth rate
  • Flower characteristics and blooming period
  • Wildlife and pollinator benefits
  • Cold hardiness zones
  • Propagation methods

…is quite limited in available horticultural and botanical literature.

Should You Try Growing It?

If you’re a Florida gardener with a passion for rare native plants, Passiflora ×belotii could be an exciting addition to your collection. However, given its apparent rarity, it’s crucial to:

  • Only source plants from reputable native plant nurseries
  • Never collect from wild populations
  • Contact local botanical experts or native plant societies for guidance
  • Consider this an experimental addition to your garden

A More Common Alternative

While you’re searching for this rare hybrid, consider growing other native Florida passionflowers like Passiflora suberosa (corky-stem passionflower) or Passiflora incarnata (purple passionflower). These well-documented natives offer proven garden performance and excellent wildlife benefits while you research more about the mysterious Passiflora ×belotii.

The Bottom Line

Passiflora ×belotii represents one of those fascinating botanical mysteries that reminds us how much we still have to learn about our native flora. If you’re drawn to rare plants and botanical detective work, this could be the perfect project plant. Just remember to approach it with the respect and care that any rare native species deserves.

Have you encountered this elusive passionflower in the wild or in cultivation? We’d love to hear about your experiences with this rare Florida native!

Passionflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Passifloraceae Juss. ex Roussel - Passion-flower family

Genus

Passiflora L. - passionflower

Species

Passiflora ×belotii hort. ex Pepin [alata × caerulea] - passionflower

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