North America Native Plant

Egg-leaf Amazonvine

Botanical name: Stigmaphyllon bannisterioides

USDA symbol: STBA7

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico  

Synonyms: Banisteria ovata Cav. (BAOV)  âš˜  Brachypterys ovata (Cav.) Small (BROV3)  âš˜  Stigmaphyllon ovatum (Cav.) Nied. (STOV2)   

Egg-Leaf Amazonvine: A Climbing Native Treasure for Tropical Gardens If you’re looking to add some vertical charm to your tropical garden while supporting local wildlife, meet the egg-leaf Amazonvine (Stigmaphyllon bannisterioides). This native Puerto Rican climber might just be the perfect addition to transform that boring fence or trellis into ...

Egg-Leaf Amazonvine: A Climbing Native Treasure for Tropical Gardens

If you’re looking to add some vertical charm to your tropical garden while supporting local wildlife, meet the egg-leaf Amazonvine (Stigmaphyllon bannisterioides). This native Puerto Rican climber might just be the perfect addition to transform that boring fence or trellis into a living masterpiece!

What Makes Egg-Leaf Amazonvine Special?

The egg-leaf Amazonvine is a perennial climbing vine that’s perfectly at home in Puerto Rico’s tropical climate. True to its name, this plant produces distinctive oval-shaped leaves that really do resemble eggs – nature’s got quite the sense of humor! As a twining climber, it gracefully winds its way up supports with stems that can be either woody or herbaceous, depending on growing conditions.

You might also encounter this plant under its former scientific names, including Banisteria ovata, Brachypterys ovata, or Stigmaphyllon ovatum – botanists love to keep us on our toes with name changes!

Where Does It Grow?

This climbing beauty is native to Puerto Rico, where it thrives in the island’s warm, humid conditions. While it’s primarily found in Puerto Rico, it represents the wonderful diversity of native Caribbean flora.

Garden Appeal and Landscape Role

What really makes the egg-leaf Amazonvine shine are its clusters of bright yellow flowers that create stunning displays against the glossy green foliage. These cheerful blooms don’t just look pretty – they’re like little landing pads for butterflies and other pollinators, making your garden a buzzing hub of activity.

In the landscape, this vine serves multiple purposes:

  • Provides vertical interest on trellises, arbors, and fences
  • Creates natural privacy screens
  • Adds tropical flair to native plant gardens
  • Supports local pollinator populations
  • Works beautifully in butterfly gardens

Growing Conditions and Care

The egg-leaf Amazonvine is surprisingly accommodating when it comes to growing conditions. It’s classified as a facultative wetland plant in the Caribbean, which means it usually prefers moist conditions but can adapt to drier spots too – talk about flexibility!

Ideal growing conditions include:

  • USDA hardiness zones 10-11 (perfect for tropical climates)
  • Full sun to partial shade
  • Well-draining soil that retains some moisture
  • Moderate to regular watering, especially during dry spells
  • A sturdy support structure for climbing

Planting and Care Tips

Getting your egg-leaf Amazonvine established is relatively straightforward. Plant it near a trellis, fence, or other support structure where it can show off its climbing skills. During the first growing season, keep the soil consistently moist to help establish a strong root system.

Once established, this vine is fairly low-maintenance. You might need to do some light pruning to keep it in bounds, but generally, it knows how to behave itself. The twining growth habit means it won’t damage structures like some aggressive climbers might.

Why Choose Native?

By choosing native plants like the egg-leaf Amazonvine, you’re doing more than just beautifying your garden – you’re supporting local ecosystems. Native plants have evolved alongside local wildlife, providing the right kind of food and shelter that imported plants simply can’t match. Plus, they’re naturally adapted to local climate conditions, which often means less work for you!

Is Egg-Leaf Amazonvine Right for Your Garden?

This climbing native is perfect if you:

  • Live in USDA zones 10-11
  • Want to support local pollinators and wildlife
  • Need a climbing plant for vertical interest
  • Prefer low-maintenance, adaptable plants
  • Love the idea of bright yellow flowers against glossy green leaves

The egg-leaf Amazonvine proves that native doesn’t mean boring – sometimes it means getting the best of both beauty and ecological benefits. So why not give this Puerto Rican native a climb… er, chance in your garden?

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Egg-leaf Amazonvine

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

Polygalales

Family

Malpighiaceae Juss. - Barbados Cherry family

Genus

Stigmaphyllon A. Juss. - Amazonvine

Species

Stigmaphyllon bannisterioides (L.) C.E. Anderson - egg-leaf Amazonvine

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