North America Native Plant

Octopus Fern

Botanical name: Zygophlebia

USDA symbol: ZYGOP2

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

The Mysterious Octopus Fern: What We Know About Zygophlebia If you’ve stumbled across the name octopus fern or its botanical name Zygophlebia in your native plant research, you’ve discovered one of botany’s more elusive characters. This perennial plant is said to be native to Puerto Rico, but information about this ...

The Mysterious Octopus Fern: What We Know About Zygophlebia

If you’ve stumbled across the name octopus fern or its botanical name Zygophlebia in your native plant research, you’ve discovered one of botany’s more elusive characters. This perennial plant is said to be native to Puerto Rico, but information about this particular species is remarkably scarce in botanical literature.

What is Zygophlebia?

Despite its common name suggesting it’s a fern, Zygophlebia is actually classified as a forb – a type of herbaceous flowering plant without significant woody tissue above ground. This classification makes it quite different from true ferns, which reproduce through spores rather than flowers.

As a perennial forb, Zygophlebia would theoretically return year after year, with its growing points (called perennating buds) located at or below the soil surface, helping it survive through less favorable seasons.

Geographic Distribution and Native Status

According to available records, Zygophlebia is native exclusively to Puerto Rico, making it an endemic species to this Caribbean island territory.

The Challenge of Information

Here’s where things get interesting (and a bit mysterious): despite being listed in some botanical databases, detailed information about Zygophlebia’s appearance, growing habits, ecological role, or cultivation requirements is virtually non-existent in mainstream horticultural and botanical literature.

This lack of information could suggest several possibilities:

  • It may be an extremely rare species with limited study
  • It could be a recently discovered or described plant
  • There might be taxonomic confusion or the name may not be currently accepted
  • It may exist only in very specialized habitats with limited accessibility

Should You Try to Grow It?

Given the complete absence of cultivation information, growing conditions, or even basic physical descriptions, attempting to grow Zygophlebia would be quite challenging. Without knowing its specific habitat requirements, size, appearance, or even confirmation of its current taxonomic status, it’s not a plant we can recommend for home gardeners.

Better Alternatives for Puerto Rican Native Plant Enthusiasts

If you’re interested in growing native Puerto Rican plants, consider these well-documented alternatives:

  • Puerto Rican royal palm (Roystonea borinquena)
  • Flamboyan or Royal Poinciana (Delonix regia)
  • Various native bromeliads
  • Native orchids suited to your growing conditions

The Bottom Line

While the octopus fern remains an intriguing botanical mystery, the lack of available information makes it impractical for most gardening purposes. If you’re passionate about Puerto Rican native plants, focus on well-documented species where you can find reliable growing information and responsibly sourced plants.

Sometimes in the plant world, mystery species like Zygophlebia remind us just how much we still have to learn about our planet’s incredible botanical diversity – even if we can’t grow them in our backyards just yet!

Octopus Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Grammitidaceae Newman - Kihi Fern family

Genus

Zygophlebia Bishop - octopus fern

Species

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