North America Native Plant

Van Royen Pohe Hiwa

Botanical name: Viola vanroyenii

USDA symbol: VIVA5

Life cycle: perennial

Habit: forb

Native status: Native to Hawaii  

Van Royen Pohe Hiwa: Hawaii’s Mysterious Native Violet Meet van Royen pohe hiwa (Viola vanroyenii), one of Hawaii’s most enigmatic native plants. This rare Hawaiian violet represents the incredible botanical diversity that evolved in isolation across the Pacific islands, though sadly, very little is known about this elusive species today. ...

Van Royen Pohe Hiwa: Hawaii’s Mysterious Native Violet

Meet van Royen pohe hiwa (Viola vanroyenii), one of Hawaii’s most enigmatic native plants. This rare Hawaiian violet represents the incredible botanical diversity that evolved in isolation across the Pacific islands, though sadly, very little is known about this elusive species today.

A True Hawaiian Native

Van Royen pohe hiwa is endemic to Hawaii, meaning it exists naturally nowhere else on Earth. As a member of the violet family, this perennial forb developed unique characteristics over thousands of years of evolution in the Hawaiian Islands. Like many Hawaiian native plants, it’s part of the rich tapestry of species that made these islands a botanical wonderland long before human arrival.

This species is found exclusively in Hawaii, representing the incredible endemism that makes Hawaiian flora so special and irreplaceable.

The Mystery of Rarity

Here’s where things get concerning: van Royen pohe hiwa appears to be extremely rare, with very limited information available about its current status, appearance, or habitat requirements. This lack of data often indicates a species that has become critically endangered or possibly extinct in the wild.

If you’re a gardener interested in this plant, it’s crucial to understand that responsibly sourced material would be essential – if it’s even available at all. The rarity of this species means it should only be grown from ethically obtained sources that support conservation efforts rather than wild collection.

What We Know (And Don’t Know)

As a perennial forb, van Royen pohe hiwa lacks woody tissue and likely grows as a low, herbaceous plant typical of violet species. Beyond this basic growth habit, specific details about its appearance, flower color, size, and growing requirements remain largely unknown or undocumented in readily available sources.

This information gap highlights a common challenge in Hawaiian botany – many native species were never thoroughly studied before they became rare or disappeared from their natural habitats.

Growing Considerations

Given the extreme rarity and limited information about van Royen pohe hiwa, here’s what prospective growers should know:

  • This plant is likely only suitable for tropical climates (USDA zones 10-12)
  • As a Hawaiian endemic, it would require very specific growing conditions that mimic its native habitat
  • Seeds or plants should only be obtained from reputable conservation organizations or native plant societies
  • Growing this species would be primarily for conservation purposes rather than typical garden use

Better Alternatives for Your Garden

If you’re interested in growing Hawaiian native violets, consider looking into other native Hawaiian species that are better documented and more readily available through conservation programs. Many Hawaiian native plant societies work to propagate and distribute less rare species that can provide similar ecological benefits.

For mainland gardeners inspired by Hawaiian natives, focus on violet species native to your own region. Every area has its own special native violets that support local wildlife and connect you to your local ecosystem.

The Bigger Picture

Van Royen pohe hiwa serves as a reminder of what we stand to lose when native habitats disappear. Hawaii has lost more species than any other U.S. state, making conservation efforts more critical than ever.

While you may never grow this particular violet in your garden, supporting Hawaiian native plant conservation organizations and choosing native plants for your own region helps protect botanical diversity everywhere. Sometimes the most meaningful way to honor a rare plant like van Royen pohe hiwa is to ensure our gardens become havens for the native species we can still save.

Van Royen Pohe Hiwa

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Violaceae Batsch - Violet family

Genus

Viola L. - violet

Species

Viola vanroyenii H. St. John - van Royen pohe hiwa

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