North America Native Plant

Kuhi’aikamo’owahie

Botanical name: Lobelia hypoleuca

USDA symbol: LOHY

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Lobelia hypoleuca Hillebr. var. heterocarpa E. Wimm. (LOHYH)  âš˜  Lobelia hypoleuca Hillebr. var. rockii H. St. John & Hosaka (LOHYR)   

Kuhi’aikamo’owahie: A Rare Hawaiian Treasure Worth Protecting Meet kuhi’aikamo’owahie (Lobelia hypoleuca), one of Hawaii’s most precious and vulnerable native plants. This remarkable species represents the unique botanical heritage of the Hawaiian Islands, but it’s not one you’ll want to add to your garden wish list – and for very good ...

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 ⚘

Kuhi’aikamo’owahie: A Rare Hawaiian Treasure Worth Protecting

Meet kuhi’aikamo’owahie (Lobelia hypoleuca), one of Hawaii’s most precious and vulnerable native plants. This remarkable species represents the unique botanical heritage of the Hawaiian Islands, but it’s not one you’ll want to add to your garden wish list – and for very good reason.

A Plant with a Story to Tell

Kuhi’aikamo’owahie belongs to the bellflower family and stands as a testament to Hawaii’s incredible plant diversity. As a perennial shrub, this multi-stemmed woody plant typically grows less than 13-16 feet tall, with several stems emerging from near the ground. Like many island species, it has evolved unique characteristics that make it perfectly suited to its Hawaiian home.

Where in the World?

This special plant is found exclusively in Hawaii – it’s what botanists call an endemic species, meaning it exists nowhere else on Earth. Its entire world consists of the Hawaiian Islands, making it an irreplaceable part of the archipelago’s natural heritage.

Why You Shouldn’t Plant It (And Why That’s Actually Good News)

Here’s the important part: Kuhi’aikamo’owahie has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21-100 known occurrences and between 3,000-10,000 individuals estimated to exist worldwide, this plant is fighting for survival.

This rarity means that if you’re interested in growing kuhi’aikamo’owahie, you should only consider it with responsibly sourced material from legitimate conservation programs. For most home gardeners, the best way to help this species is to appreciate it from afar and support conservation efforts rather than attempting to cultivate it.

Growing Conditions and Care

While specific growing requirements for kuhi’aikamo’owahie aren’t well-documented due to its rarity, we do know a few things:

  • It’s adapted to Hawaiian tropical conditions
  • The plant has a facultative wetland status, meaning it can grow in both wetland and non-wetland environments
  • As a Hawaiian endemic, it likely prefers the specific climate conditions found in its native habitat
  • It’s suited for tropical hardiness zones (approximately USDA zones 10-12)

Better Alternatives for Your Garden

Instead of trying to grow this rare treasure, consider supporting Hawaiian native plant conservation by choosing other native Hawaiian species that are more readily available and appropriate for cultivation. Many beautiful Hawaiian natives can thrive in appropriate climates while supporting local ecosystems without putting pressure on vulnerable species.

The Bigger Picture

Kuhi’aikamo’owahie serves as a reminder that not every beautiful plant is meant for our gardens. Sometimes the most meaningful way to connect with a species is to learn about it, respect its wild spaces, and support the conservation efforts working to ensure it survives for future generations.

By understanding and respecting the rarity of species like kuhi’aikamo’owahie, we become better stewards of the incredible plant diversity that makes places like Hawaii so special. Every rare plant that continues to thrive in its natural habitat is a victory worth celebrating.

Kuhi’aikamo’owahie

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

Campanulales

Family

Campanulaceae Juss. - Bellflower family

Genus

Lobelia L. - lobelia

Species

Lobelia hypoleuca Hillebr. - kuhi'aikamo'owahie

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