North America Native Plant

Gulch Cyrtandra

Botanical name: Cyrtandra filipes

USDA symbol: CYFI5

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Gulch Cyrtandra: A Rare Hawaiian Gem Worth Protecting Meet the gulch cyrtandra (Cyrtandra filipes), one of Hawaii’s most precious and endangered native shrubs. This member of the African violet family might not be the easiest plant to find or grow, but for dedicated native plant enthusiasts, it represents something truly ...

Rare plant alert!

Region: United States

Status: S1: 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Gulch Cyrtandra: A Rare Hawaiian Gem Worth Protecting

Meet the gulch cyrtandra (Cyrtandra filipes), one of Hawaii’s most precious and endangered native shrubs. This member of the African violet family might not be the easiest plant to find or grow, but for dedicated native plant enthusiasts, it represents something truly special – a living piece of Hawaii’s natural heritage that desperately needs our help.

What Makes Gulch Cyrtandra Special?

This perennial shrub is endemic to the Hawaiian Islands, meaning you won’t find it growing naturally anywhere else on Earth. As its common name suggests, gulch cyrtandra thrives in the misty, sheltered gulches and wet forests of Hawaii, where it has evolved over thousands of years to fill a unique ecological niche.

The plant typically grows as a multi-stemmed woody shrub, usually staying under 13-16 feet tall, though it can vary depending on growing conditions. Its delicate tubular flowers, characteristic of the Gesneriaceae family, add a subtle beauty to Hawaii’s native understory.

Geographic Distribution

Gulch cyrtandra grows exclusively in Hawaii, where it clings to existence in increasingly fragmented habitats. Unfortunately, this beautiful native has become critically imperiled due to habitat loss and other environmental pressures.

A Critical Conservation Concern

Here’s where things get serious: gulch cyrtandra has a Global Conservation Status of S1, meaning it’s critically imperiled. In the United States, it’s classified as Endangered. With typically five or fewer occurrences and very few remaining individuals (less than 1,000), this plant is teetering on the edge of extinction.

If you’re considering adding this rare beauty to your garden, please – and we cannot stress this enough – only source it from reputable native plant nurseries or conservation programs that propagate it responsibly. Never collect plants from the wild, as this could push remaining populations closer to extinction.

Growing Gulch Cyrtandra: A Labor of Love

Let’s be honest – gulch cyrtandra isn’t for the casual gardener. This plant has very specific needs that mirror its natural gulch habitat:

  • Climate: USDA zones 10-11 only (tropical and subtropical climates)
  • Light: Shade to partial shade – think dappled forest light
  • Moisture: Consistent humidity and well-draining but moist soil
  • Soil: Rich, organic soil that mimics forest floor conditions
  • Protection: Shelter from strong winds and direct sun

Garden Role and Landscape Design

In the right setting, gulch cyrtandra serves as an excellent understory shrub for specialized shade gardens. It’s particularly well-suited for:

  • Hawaiian native plant gardens
  • Conservation-focused landscapes
  • Humid shade gardens in tropical climates
  • Educational or botanical garden displays

The plant’s wetland status as Facultative Upland means it usually grows in non-wetland areas but can tolerate some wetland conditions, giving you a bit of flexibility in placement.

Ecological Benefits

When gulch cyrtandra blooms, its flowers provide nectar for native Hawaiian pollinators, including endemic insects and birds. By growing this plant, you’re not just adding beauty to your garden – you’re participating in conservation efforts and supporting Hawaii’s unique ecosystem.

Care Tips for Success

If you’re committed to growing this challenging but rewarding plant:

  • Maintain consistent moisture without waterlogging
  • Provide high humidity through misting or humidity trays
  • Use organic mulch to keep roots cool and moist
  • Protect from temperature extremes
  • Be patient – rare plants often grow slowly

The Bottom Line

Gulch cyrtandra isn’t a plant for everyone, but for the right gardener with the right conditions and conservation mindset, it’s an incredible opportunity to help preserve a piece of Hawaii’s natural heritage. If you can provide the specific growing conditions it needs and source it responsibly, you’ll be rewarded with a truly unique addition to your garden and the satisfaction of supporting conservation efforts.

Remember: with great rarity comes great responsibility. Only consider this plant if you’re prepared to give it the specialized care it deserves and can source it through proper conservation channels.

Gulch 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 filipes Hillebr. - gulch cyrtandra

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