North America Native Plant

Royal Peperomia

Botanical name: Peperomia kipahuluensis

USDA symbol: PEKI2

Life cycle: annual

Habit: forb

Native status: Native to Hawaii  

Royal Peperomia: A Rare Hawaiian Treasure Worth Protecting Meet the royal peperomia (Peperomia kipahuluensis), a botanical gem that’s as exclusive as its regal name suggests. This tiny Hawaiian native is one of those plants that makes you feel like you’ve discovered a secret – and in many ways, you have. ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Royal Peperomia: A Rare Hawaiian Treasure Worth Protecting

Meet the royal peperomia (Peperomia kipahuluensis), a botanical gem that’s as exclusive as its regal name suggests. This tiny Hawaiian native is one of those plants that makes you feel like you’ve discovered a secret – and in many ways, you have. But before you start dreaming of adding this beauty to your garden, there’s an important conservation story you need to know.

A True Hawaiian Native

Royal peperomia is a proud native of Hawaii, where it belongs to the unique ecosystem that makes the islands so special. As a native plant, it has evolved specifically to thrive in Hawaiian conditions and plays an important role in the local environment. This isn’t just any houseplant cousin – it’s a genuine piece of Hawaiian natural heritage.

Currently, you’ll find royal peperomia growing wild only in Hawaii, making it one of those special plants that truly belongs to the islands.

Why This Plant Deserves Special Attention

Here’s where things get serious: royal peperomia has a Global Conservation Status of S3, which means it’s considered vulnerable. In plant conservation terms, this means it’s rare and potentially at risk throughout its range. With typically only 21 to 100 occurrences or between 3,000 and 10,000 individuals existing, this isn’t a plant you’ll stumble across in your typical garden center.

Important Conservation Note: If you’re considering growing royal peperomia, it’s crucial to only obtain plants from responsible, ethical sources that don’t impact wild populations. Never collect from the wild, and always verify that any plants you purchase are legally and sustainably propagated.

Getting to Know Royal Peperomia

Botanically speaking, royal peperomia is classified as an annual forb – essentially a non-woody plant that completes its life cycle in one year. As a forb, it’s part of that diverse group of plants that includes many of our favorite wildflowers and herbs. Unlike woody shrubs or trees, forbs like royal peperomia put their energy into flowers and seeds rather than building substantial woody stems.

Interestingly, this plant has a Facultative Upland wetland status in Hawaii, which means it usually prefers drier ground but can tolerate some moisture. This gives us a clue about its natural growing preferences – it’s not a swamp dweller, but it’s not a desert plant either.

Garden Potential and Limitations

Due to the limited information available about cultivating royal peperomia and its vulnerable conservation status, this isn’t a plant for casual gardening. Its rarity means that detailed growing guides and cultivation tips are scarce, and its annual nature means it would need to be replanted each year.

For most gardeners interested in Hawaiian natives, there are more readily available and less vulnerable native plants that can provide similar ecological benefits without the conservation concerns.

Conservation-Minded Alternatives

If you’re drawn to the idea of growing Hawaiian native plants, consider these more commonly available alternatives:

  • Other Peperomia species that are more widely cultivated
  • Common Hawaiian native plants available through reputable native plant nurseries
  • Supporting habitat conservation efforts instead of individual plant cultivation

The Bottom Line

Royal peperomia represents something precious – a unique piece of Hawaii’s natural heritage that needs our protection more than our cultivation. While it might seem appealing to grow this rare beauty, the most responsible approach is to appreciate it in its natural habitat and support conservation efforts that help protect vulnerable species like this one.

If you do encounter royal peperomia for sale, make absolutely sure it comes from ethical, legal sources that don’t impact wild populations. Better yet, consider supporting Hawaiian plant conservation organizations that work to protect rare species like this royal gem in their natural homes.

Sometimes the best way to love a plant is to let it flourish where it belongs – and for royal peperomia, that’s in the beautiful, wild spaces of Hawaii.

Royal Peperomia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Piperales

Family

Piperaceae Giseke - Pepper family

Genus

Peperomia Ruiz & Pav. - peperomia

Species

Peperomia kipahuluensis H. St. John & C. Lamoureux - royal peperomia

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