North America Native Plant

Neorudolphia

Botanical name: Neorudolphia

USDA symbol: NEORU

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico  

Neorudolphia: The Mysterious Puerto Rican Climbing Plant You’ve Never Heard Of If you’ve stumbled across the name neorudolphia in your plant research, you might be wondering what this mysterious species is all about. Well, grab a cup of coffee because we’re about to dive into one of botany’s more elusive ...

Neorudolphia: The Mysterious Puerto Rican Climbing Plant You’ve Never Heard Of

If you’ve stumbled across the name neorudolphia in your plant research, you might be wondering what this mysterious species is all about. Well, grab a cup of coffee because we’re about to dive into one of botany’s more elusive characters – a plant so rare that even experienced gardeners have likely never encountered it.

What Exactly Is Neorudolphia?

Neorudolphia is a perennial climbing plant that belongs to the legume family. Think of it as a twining vine with stems that can be either woody or soft, depending on the growing conditions. This plant has the climbing habit of a morning glory but the family connections of a bean plant – quite the interesting combination!

The plant is native exclusively to Puerto Rico, making it what botanists call an endemic species – meaning it naturally occurs nowhere else on Earth.

The Rarity Reality Check

Here’s where things get interesting (and a bit disappointing if you were hoping to add this to your garden): Neorudolphia appears to be extremely rare, with very little documented information about its current existence in either wild populations or cultivation. This level of obscurity in the plant world often indicates a species that’s either:

  • Critically endangered in its native habitat
  • Extremely difficult to cultivate
  • Possibly extinct or nearly extinct
  • So recently discovered that cultivation methods haven’t been developed

Why You Can’t (and Shouldn’t Try to) Grow Neorudolphia

Unlike most plants we feature on this blog, neorudolphia isn’t something you can simply order from your favorite nursery or find at the local garden center. The extreme rarity of this plant means that:

  • It’s not commercially available
  • Growing conditions and care requirements are poorly understood
  • Any existing specimens need protection for conservation purposes
  • It’s only suitable for USDA zones 10-11 (similar to Puerto Rico’s tropical climate)

If you’re drawn to the idea of growing rare, climbing plants from tropical regions, there are much better (and actually obtainable) alternatives to consider.

Better Alternatives for Your Climbing Plant Dreams

Instead of chasing this botanical unicorn, consider these fantastic climbing alternatives:

  • Native passionflowers – Beautiful blooms and support for local wildlife
  • American groundnut – Edible tubers and lovely fragrant flowers
  • Wild grape species – Food for birds and gorgeous fall color
  • Native honeysuckles – Hummingbird magnets with sweet fragrance

The Conservation Angle

Plants like neorudolphia remind us why native plant conservation matters so much. When species become this rare, we lose not just the plant itself, but also:

  • Potential benefits for local ecosystems
  • Possible medicinal or agricultural applications
  • Genetic diversity that could help other plants adapt to changing conditions
  • The simple beauty of biodiversity

What This Means for Your Garden

While you won’t be growing neorudolphia anytime soon, its story serves as a great reminder to:

  • Support native plant conservation efforts in your area
  • Choose locally native climbing plants that support your region’s wildlife
  • Appreciate the incredible diversity of plant life that exists (or once existed)
  • Consider how your gardening choices can help preserve biodiversity

Sometimes the most valuable plants are the ones we can’t have – they teach us to treasure what we do have access to and inspire us to make more thoughtful choices in our own gardens. While neorudolphia remains a botanical mystery, there’s a whole world of amazing native climbing plants waiting to transform your landscape into a wildlife haven.

Neorudolphia

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

Neorudolphia Britton - neorudolphia

Species

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