North America Native Plant

Triplophyllum

Botanical name: Triplophyllum

USDA symbol: TRIPL3

Life cycle: perennial

Habit: forb

Native status: Probably native to Puerto Rico  

Triplophyllum: A Mysterious Puerto Rican Native Worth Knowing About If you’ve stumbled across the name triplophyllum in your plant research, you’ve discovered one of botany’s more enigmatic characters. This perennial forb is native to Puerto Rico, but don’t expect to find it at your local garden center anytime soon – ...

Triplophyllum: A Mysterious Puerto Rican Native Worth Knowing About

If you’ve stumbled across the name triplophyllum in your plant research, you’ve discovered one of botany’s more enigmatic characters. This perennial forb is native to Puerto Rico, but don’t expect to find it at your local garden center anytime soon – Triplophyllum is about as mysterious as native plants get.

What We Know About Triplophyllum

Here’s what botanists have managed to document about this elusive plant:

  • It’s a perennial forb (think herbaceous flowering plant, not woody shrub)
  • Native to Puerto Rico
  • Lacks significant woody tissue above ground
  • Has perennating buds at or below the soil surface

And… that’s pretty much where the trail goes cold. No flashy flower descriptions, no detailed growing guides, no enthusiastic gardening forum discussions. Just a name in botanical databases and a basic classification.

Geographic Distribution

Triplophyllum calls Puerto Rico home, making it part of the island’s unique Caribbean flora. Puerto Rico’s tropical and subtropical climate zones support an incredible diversity of plant life, from coastal mangroves to mountainous cloud forests.

The Challenge for Gardeners

Here’s where things get tricky for anyone hoping to add this native beauty to their Puerto Rican garden. The lack of readily available information about Triplophyllum means we’re missing some pretty crucial details:

  • What does it actually look like?
  • What growing conditions does it prefer?
  • How big does it get?
  • Does it attract pollinators?
  • Is it rare or just under-documented?

A Word of Caution

Without knowing its invasive or rarity status, we can’t make definitive recommendations about cultivation. If you’re a Puerto Rican gardener who encounters this plant in the wild, consider yourself lucky to witness a piece of your island’s botanical heritage – but perhaps admire it from a distance until more research emerges.

Better-Known Puerto Rican Native Alternatives

While we wait for botanists to fill in the blanks about Triplophyllum, Puerto Rico offers plenty of other spectacular native plants for ecological gardening:

  • Flamboyán (Delonix regia) for dramatic flowering trees
  • Puerto Rican Hat Palm (Sabal causiarum) for tropical structure
  • Anthurium species for colorful foliage and flowers
  • Native orchids for specialized growing projects

The Bottom Line

Triplophyllum represents one of those fascinating gaps in our botanical knowledge. It’s officially documented as native to Puerto Rico, but the details that would help gardeners understand and grow it remain largely unknown. This doesn’t make it any less valuable as part of Puerto Rico’s natural heritage – it just makes it more mysterious.

If you’re passionate about Puerto Rican native plants, consider supporting botanical research and conservation efforts that help document and protect understudied species like Triplophyllum. Who knows? Your support might help unlock the secrets of this enigmatic native plant.

Triplophyllum

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dryopteridaceae Herter - Wood Fern family

Genus

Triplophyllum Holttum - triplophyllum

Species

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