North America Native Plant

Kamo’oloa Cyrtandra

Botanical name: Cyrtandra kamooloaensis

USDA symbol: CYKA12

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Kamo’oloa Cyrtandra: A Rare Hawaiian Native Worth Protecting Meet the Kamo’oloa cyrtandra (Cyrtandra kamooloaensis), a lesser-known gem of Hawaii’s native flora that’s as intriguing as it is elusive. This perennial shrub represents one of Hawaii’s many endemic treasures, though its rarity makes it more of a conservation story than a ...

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 ⚘

Kamo’oloa Cyrtandra: A Rare Hawaiian Native Worth Protecting

Meet the Kamo’oloa cyrtandra (Cyrtandra kamooloaensis), a lesser-known gem of Hawaii’s native flora that’s as intriguing as it is elusive. This perennial shrub represents one of Hawaii’s many endemic treasures, though its rarity makes it more of a conservation story than a typical gardening recommendation.

What Makes This Plant Special?

The Kamo’oloa cyrtandra is a multi-stemmed woody shrub that typically grows less than 13-16 feet tall, though it usually stays much smaller. As a member of Hawaii’s exclusive native plant community, this species has evolved nowhere else on Earth, making it a true island original.

Where Does It Call Home?

This rare beauty is endemic to Hawaii, meaning it naturally occurs only in the Hawaiian Islands. Its limited range contributes significantly to its vulnerable status in the wild.

The Reality Check: Rarity Status

Here’s where things get serious. The Kamo’oloa cyrtandra carries a Global Conservation Status of S3, which translates to Vulnerable. This means the species is at risk due to its extremely limited range and small population size—typically only 21 to 100 occurrences exist, with somewhere between 3,000 and 10,000 individual plants in the wild.

What does this mean for gardeners? Simply put, this isn’t a plant you’ll find at your local nursery, nor should you expect to.

Should You Grow Kamo’oloa Cyrtandra?

The short answer is: probably not, unless you’re involved in serious conservation efforts. Here’s why:

  • Its vulnerable status means wild populations need protection, not harvesting
  • Specialized growing requirements are poorly understood
  • Availability through legitimate sources is extremely limited
  • Success in cultivation outside its natural habitat is uncertain

If You’re Determined to Help

For those passionate about Hawaiian native plant conservation, consider these alternatives:

  • Support botanical gardens and conservation organizations working with rare Hawaiian species
  • Choose other native Hawaiian plants that are less vulnerable and more readily available
  • Get involved with habitat restoration projects in Hawaii
  • If you do encounter this species through legitimate conservation programs, ensure any material is responsibly sourced and properly documented

Growing Conditions (What We Know)

Information about specific growing requirements is limited, but as a Hawaiian endemic, the Kamo’oloa cyrtandra likely thrives in:

  • Tropical conditions with consistent warmth
  • High humidity levels
  • Specialized soil conditions found in its native habitat
  • Protection from harsh winds and extreme weather

The Bigger Picture

While you might not be adding Kamo’oloa cyrtandra to your garden anytime soon, its story highlights the importance of native plant conservation. Hawaii has lost many of its endemic species to habitat destruction, invasive plants, and other human impacts. Species like this one remind us why protecting remaining native habitats is so crucial.

Instead of seeking out this rare treasure for your garden, consider it an inspiration to choose other native plants in your area, support conservation efforts, and appreciate the incredible biodiversity that islands like Hawaii harbor. Sometimes the best way to love a plant is to admire it from afar and work to protect its wild home.

Kamo’oloa Cyrtandra

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

Scrophulariales

Family

Gesneriaceae Rich. & Juss. - Gesneriad family

Genus

Cyrtandra J.R. Forst. & G. Forst. - cyrtandra

Species

Cyrtandra kamooloaensis H. St. John - Kamo'oloa cyrtandra

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