North America Native Plant

Oahu False Ohelo

Botanical name: Wikstroemia oahuensis var. palustris

USDA symbol: WIOAP

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Wikstroemia palustris Hochr. (WIPA)   

Oahu False Ohelo: A Rare Hawaiian Native Worth Protecting If you’re passionate about Hawaiian native plants and conservation gardening, you’ve likely heard whispers about the elusive Oahu false ohelo. This charming shrub, known scientifically as Wikstroemia oahuensis var. palustris, represents both an opportunity and a responsibility for dedicated native plant ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Oahu False Ohelo: A Rare Hawaiian Native Worth Protecting

If you’re passionate about Hawaiian native plants and conservation gardening, you’ve likely heard whispers about the elusive Oahu false ohelo. This charming shrub, known scientifically as Wikstroemia oahuensis var. palustris, represents both an opportunity and a responsibility for dedicated native plant gardeners.

What Makes Oahu False Ohelo Special?

The Oahu false ohelo is a perennial shrub that belongs to Hawaii’s unique native flora. As a multi-stemmed woody plant, it typically grows to less than 13-16 feet in height, though it can vary depending on environmental conditions. Like many Hawaiian natives, this plant has adapted specifically to the island’s unique climate and ecosystem.

You might also encounter this plant referenced by its synonym, Wikstroemia palustris, in older botanical literature or plant databases.

Where Does It Grow?

This special shrub is endemic to Hawaii, meaning you won’t find it growing naturally anywhere else in the world. Its distribution is limited to the Hawaiian islands, making it a true treasure of the Pacific.

The Conservation Story

Here’s where things get serious, fellow plant lovers. The Oahu false ohelo carries a Global Conservation Status of S4T3?, which essentially means its conservation status is undefined but potentially concerning. This uncertainty alone should give us pause and make us think carefully about our approach to this plant.

If you’re considering adding this plant to your garden, please ensure you’re working with responsibly sourced material. Never collect plants from the wild, and only purchase from reputable native plant nurseries that can verify their propagation methods.

Is This Plant Right for Your Garden?

The honest answer is: it depends on your commitment to conservation and your access to ethically sourced plants. Here are some considerations:

  • You live in Hawaii and want to support native ecosystems
  • You’re committed to conservation gardening
  • You can source the plant responsibly from certified native plant nurseries
  • You understand the responsibility that comes with growing rare plants

Growing Conditions and Care

While specific growing requirements for this particular variety aren’t widely documented, most Hawaiian Wikstroemia species share some common preferences. As with many island natives, they’ve evolved to thrive in Hawaii’s unique climate conditions.

Given its status as a native Hawaiian plant, it’s likely best suited for USDA hardiness zones 10-12, though always consult with local native plant experts for the most accurate guidance.

The Bigger Picture

Before you rush out to find this plant, consider the broader implications. Hawaii’s native plants face numerous threats, from habitat loss to invasive species. By choosing to grow native plants like the Oahu false ohelo, you’re participating in a larger conservation effort.

However, with great beauty comes great responsibility. If you can’t source this plant ethically, consider supporting conservation efforts in other ways or choosing other native Hawaiian plants that are more readily available from responsible sources.

Final Thoughts

The Oahu false ohelo represents both the wonder and fragility of Hawaii’s native ecosystems. While it may be tempting to want this rare beauty in your garden, the most important thing is ensuring its survival in the wild.

If you do decide to grow this plant, make sure you’re getting it from a reputable source, and consider yourself a steward of Hawaiian biodiversity. After all, every garden can be a small sanctuary for our planet’s precious native species.

Oahu False Ohelo

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Thymelaeaceae Juss. - Mezereum family

Genus

Wikstroemia Endl. - false ohelo

Species

Wikstroemia oahuensis (A. Gray) Rock - Oahu false ohelo

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