North America Native Plant

Red-hair Cyrtandra

Botanical name: Cyrtandra ferripilosa

USDA symbol: CYFE9

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Red-Hair Cyrtandra: A Critically Endangered Hawaiian Treasure Meet the red-hair cyrtandra (Cyrtandra ferripilosa), one of Hawaii’s most precious and precarious native plants. This remarkable perennial shrub carries a name that hints at its distinctive appearance, though sadly, very few people will ever have the chance to see it in person. ...

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

Red-Hair Cyrtandra: A Critically Endangered Hawaiian Treasure

Meet the red-hair cyrtandra (Cyrtandra ferripilosa), one of Hawaii’s most precious and precarious native plants. This remarkable perennial shrub carries a name that hints at its distinctive appearance, though sadly, very few people will ever have the chance to see it in person. Here’s why this plant deserves our attention and respect, even if we can’t grow it in our gardens.

What Makes Red-Hair Cyrtandra Special?

The red-hair cyrtandra is a multi-stemmed woody shrub that typically grows less than 13-16 feet tall, with several stems emerging from near the ground. As a member of the diverse Cyrtandra genus, this plant represents thousands of years of evolution in Hawaii’s unique island ecosystem.

This perennial beauty is exclusively native to Hawaii, making it a true island endemic. Unfortunately, its geographic distribution is now extremely limited within the Hawaiian Islands, contributing to its precarious conservation status.

The Reality Check: Why You Probably Can’t (and Shouldn’t Try to) Grow This Plant

Here’s the important part: Red-hair 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 hanging on by a thread in the wild.

What does this mean for gardeners? Simply put, this isn’t a plant you can or should try to add to your landscape. Any specimens that exist are precious and need to be protected through professional conservation efforts, not home gardening.

Understanding Its Natural Habitat

Red-hair cyrtandra has a wetland status of Facultative Upland in Hawaii, meaning it usually grows in non-wetland areas but can occasionally be found in wetlands. This adaptability might have once been an advantage, but habitat loss has made even this flexibility insufficient for the species’ survival.

What Can You Do Instead?

If you’re drawn to Hawaiian native plants (and you should be!), consider these alternatives:

  • Look for other Cyrtandra species that are more common and available through reputable native plant nurseries
  • Support Hawaiian native plant conservation organizations
  • Choose other Hawaiian endemic shrubs that are better suited for cultivation
  • Focus on creating habitat for Hawaiian native wildlife in your garden

The Bigger Picture

Red-hair cyrtandra serves as a powerful reminder of what we stand to lose when native habitats disappear. While we can’t grow this particular plant, we can honor its existence by:

  • Supporting conservation efforts for Hawaiian endemic species
  • Choosing native plants that are sustainably available
  • Learning about and appreciating Hawaii’s unique botanical heritage
  • Spreading awareness about endangered plant species

A Plant Worth Protecting

Sometimes the most important plants are the ones we admire from afar. Red-hair cyrtandra may not be destined for our gardens, but it deserves our respect and protection. By understanding and caring about critically endangered species like this one, we become better stewards of the incredible plant diversity that makes Hawaii so special.

If you’re passionate about Hawaiian native plants, channel that enthusiasm toward species that can actually benefit from your gardening efforts – and support the scientists and conservationists working tirelessly to keep treasures like red-hair cyrtandra from disappearing forever.

Red-hair 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 ferripilosa H. St. John - red-hair cyrtandra

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