North America Native Plant

Waianae Range Starviolet

Botanical name: Hedyotis degeneri var. degeneri

USDA symbol: HEDED2

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Waianae Range Starviolet: A Rare Hawaiian Treasure Worth Protecting If you’re passionate about Hawaiian native plants and conservation gardening, you might have stumbled across the Waianae Range starviolet (Hedyotis degeneri var. degeneri). This little-known perennial shrub represents one of Hawaii’s most precious botanical treasures – and one of its most ...

Rare plant alert!

Region: Conservation status by state

Status: S1T1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Waianae Range Starviolet: A Rare Hawaiian Treasure Worth Protecting

If you’re passionate about Hawaiian native plants and conservation gardening, you might have stumbled across the Waianae Range starviolet (Hedyotis degeneri var. degeneri). This little-known perennial shrub represents one of Hawaii’s most precious botanical treasures – and one of its most endangered.

What Makes This Plant Special?

The Waianae Range starviolet is a perennial shrub that’s endemic to Hawaii, meaning it exists nowhere else on Earth. This multi-stemmed woody plant typically grows less than 13 to 16 feet in height, with several stems arising from or near the ground. Like many Hawaiian natives, it has adapted specifically to the unique conditions of its island home.

Where Does It Grow?

This rare beauty is found exclusively in Hawaii, specifically in the Waianae Mountain range on the island of Oahu. Its limited geographic distribution is part of what makes it so special – and so vulnerable.

A Critical Conservation Concern

Here’s where things get serious: the Waianae Range starviolet has a Global Conservation Status of S1T1, which indicates it’s critically endangered. This means the plant faces an extremely high risk of extinction, with very few populations remaining in the wild.

If you’re considering adding this plant to your garden, it’s crucial to understand that any planting should only be done with responsibly sourced material. This means:

  • Seeds or plants obtained through legitimate conservation programs
  • Material that doesn’t impact wild populations
  • Participation in authorized restoration or conservation efforts

Why Grow It? Conservation in Your Backyard

Growing rare Hawaiian natives like the Waianae Range starviolet isn’t just about having an unusual plant in your garden – it’s about becoming part of a conservation effort. Every responsibly cultivated plant represents a genetic backup for this species and helps ensure its survival for future generations.

For Hawaiian gardeners particularly, incorporating native plants like this one helps restore the natural ecosystem and provides habitat for native wildlife that co-evolved with these plants over thousands of years.

Growing Conditions and Care

Because of its rarity, detailed cultivation information for the Waianae Range starviolet is limited. However, as a Hawaiian native shrub, it likely prefers:

  • Well-draining soil typical of Hawaiian mountain slopes
  • Conditions similar to its native Waianae Range habitat
  • Protection from strong winds and extreme weather

If you’re seriously interested in growing this plant, your best bet is to connect with Hawaiian native plant societies, botanical gardens, or conservation organizations that work with endangered species. They can provide guidance on proper cultivation techniques and may have access to responsibly sourced plant material.

The Bottom Line

The Waianae Range starviolet isn’t a plant for casual gardeners looking for easy-to-grow natives. It’s a conservation plant that requires commitment, proper sourcing, and ideally, participation in organized conservation efforts. If you’re passionate about preserving Hawaii’s unique botanical heritage and have the dedication to work with conservation organizations, this rare shrub could be a meaningful addition to your garden.

Remember: with great plants comes great responsibility. The survival of species like the Waianae Range starviolet depends on gardeners who understand that growing rare plants isn’t just about cultivation – it’s about conservation.

Waianae Range Starviolet

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Hedyotis L. - starviolet

Species

Hedyotis degeneri Fosberg - Waianae Range starviolet

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