North America Native Plant

Amboina Tapeinidium

Botanical name: Tapeinidium amboynense

USDA symbol: TAAM

Life cycle: perennial

Habit: forb

Native status: Native to Pacific Basin excluding Hawaii  

Discovering the Amboina Tapeinidium: A Rare Pacific Fern If you’ve stumbled across the name Amboina tapeinidium (Tapeinidium amboynense), you’ve likely encountered one of the more elusive members of the fern world. This perennial fern species is a true Pacific Islander, calling the remote islands of Guam and Palau home. Where ...

Discovering the Amboina Tapeinidium: A Rare Pacific Fern

If you’ve stumbled across the name Amboina tapeinidium (Tapeinidium amboynense), you’ve likely encountered one of the more elusive members of the fern world. This perennial fern species is a true Pacific Islander, calling the remote islands of Guam and Palau home.

Where Does This Mysterious Fern Come From?

The Amboina tapeinidium is native to the Pacific Basin, specifically found growing in Guam and Palau. These tropical islands provide the perfect backdrop for this lesser-known fern species, though you won’t find it growing wild anywhere else in Hawaii or other Pacific locations.

What Makes This Fern Special?

Here’s where things get a bit mysterious – and honestly, quite fascinating. The Amboina tapeinidium is one of those plants that seems to prefer keeping a low profile. Unlike its more famous fern cousins that grace garden centers and Instagram feeds, this species remains largely undocumented in horticultural circles.

What we do know is that it’s classified as a forb-like fern, meaning it lacks the significant woody tissue you’d find in shrubs or trees. Instead, it maintains its perennial lifestyle through underground structures that help it persist year after year.

Should You Try Growing It?

Here’s the thing about the Amboina tapeinidium – it’s incredibly rare in cultivation, and detailed growing information is practically non-existent. This isn’t necessarily a plant you’ll find at your local nursery or through typical plant suppliers.

If you’re dreaming of adding Pacific Island ferns to your collection, you might want to consider these more readily available alternatives:

  • Native ferns from your own region that provide similar aesthetic appeal
  • Well-documented tropical ferns with known growing requirements
  • Other Pacific Island plants that are sustainably available in cultivation

The Reality of Rare Plants

Sometimes the most intriguing plants are the ones we can’t easily grow in our gardens. The Amboina tapeinidium serves as a reminder that there are countless plant species out there, each with their own story, even if that story remains largely unwritten in our gardening books.

If you’re passionate about Pacific Island flora, consider supporting conservation efforts in Guam and Palau, or explore native plants from your own area that provide habitat for local wildlife. After all, the best garden plants are often the ones that truly belong where you’re growing them.

The Bottom Line

While the Amboina tapeinidium remains shrouded in mystery, it represents the incredible diversity of plant life in our world’s remote corners. Rather than trying to track down this elusive fern, embrace the native species in your own backyard – they’re usually much easier to grow and infinitely more beneficial to your local ecosystem.

Amboina Tapeinidium

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dennstaedtiaceae Lotsy - Bracken Fern family

Genus

Tapeinidium (C. Presl) C. Chr.

Species

Tapeinidium amboynense (Hook.) C. Chr. - Amboina tapeinidium

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