Native Plants

Laupahoehoe Cyrtandra

Cyrtandra tintinnabula

USDA symbol: CYTI

perennial shrub

Hawaii: native

If you’re passionate about Hawaiian native plants and conservation gardening, you may have heard whispers about the elusive Laupahoehoe cyrtandra (Cyrtandra tintinnabula). This remarkable shrub represents both the incredible diversity of Hawaii’s native flora and the urgent need for conservation efforts in our modern landscapes. The Laupahoehoe cyrtandra is a ...

Laupahoehoe Cyrtandra may be listed as rare in your area.
Global Conservation Status

Status: S1 | Critically imperiled: Typically 5 or fewer occurrences or under 1,000 remaining individuals.

United States

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

Laupahoehoe Cyrtandra: A Rare Hawaiian Gem Worth Protecting

If you’re passionate about Hawaiian native plants and conservation gardening, you may have heard whispers about the elusive Laupahoehoe cyrtandra (Cyrtandra tintinnabula). This remarkable shrub represents both the incredible diversity of Hawaii’s native flora and the urgent need for conservation efforts in our modern landscapes.

What Makes This Plant Special?

The Laupahoehoe cyrtandra is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height. Like many Hawaiian natives, it has adapted to thrive in the island’s unique forest ecosystems, developing characteristics that make it perfectly suited to its native environment.

This endemic species produces small, delicate white tubular flowers that emerge from its broad green foliage, creating a subtle but charming display. While it may not be the showiest plant in the forest, its understated beauty and ecological importance make it a treasure worth protecting.

Where Does It Come From?

Cyrtandra tintinnabula is exclusively native to Hawaii, making it a true Hawaiian endemic. You won’t find this species growing naturally anywhere else in the world, which adds to both its uniqueness and its vulnerability.

  • Species observed
  • No observations

The Conservation Challenge

Here’s where things get serious: the Laupahoehoe cyrtandra is critically imperiled. With a Global Conservation Status of S1, this species is considered extremely rare, typically having five or fewer occurrences or very few remaining individuals (less than 1,000). In the United States, it’s classified as Endangered, which means it’s at serious risk of disappearing forever.

This rarity status is crucial information for any gardener considering this plant. While growing rare native species can be an important part of conservation efforts, it must be done responsibly.

Should You Grow Laupahoehoe Cyrtandra?

If you’re committed to Hawaiian native plant conservation and have the right growing conditions, this species could be a meaningful addition to your garden. However, there are important considerations:

  • Only obtain plants from reputable, authorized sources that practice responsible propagation
  • Never collect plants from the wild – this can harm already vulnerable populations
  • Ensure you can provide the specific conditions this species needs to thrive
  • Consider it a long-term commitment to conservation rather than just a garden addition

Growing Conditions and Care

Laupahoehoe cyrtandra evolved in Hawaii’s moist forest environments, so replicating these conditions is essential for success:

  • Climate: Thrives in USDA hardiness zones 10-11, requiring tropical conditions
  • Light: Prefers partial to full shade, mimicking understory forest conditions
  • Moisture: Needs consistent moisture but well-draining soil to prevent root rot
  • Protection: Benefits from wind protection, as it’s adapted to sheltered forest environments
  • Soil: Prefers rich, organic soil similar to forest floor conditions

The Role in Your Landscape

This shrub works beautifully as an understory plant in native Hawaiian gardens or shade gardens designed to mimic natural forest conditions. Its compact size makes it suitable for smaller spaces, while its rarity makes it a conversation starter about conservation efforts.

Consider pairing it with other Hawaiian natives to create a authentic island ecosystem in your garden. It’s particularly well-suited for conservation-minded gardeners who want to participate in preserving Hawaii’s unique botanical heritage.

A Final Word on Responsibility

Growing rare native plants like Laupahoehoe cyrtandra is both a privilege and a responsibility. If you choose to cultivate this species, you’re becoming part of a conservation network working to prevent extinction. Make sure to source your plants ethically, provide proper care, and consider participating in seed collection or propagation efforts if opportunities arise through legitimate conservation programs.

Remember, every Laupahoehoe cyrtandra growing in a responsible garden setting is potentially contributing to the survival of this remarkable Hawaiian endemic. That’s gardening with purpose!

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Scrophulariales
Family: Gesneriaceae Rich. & Juss. - Gesneriad family
Genus: Cyrtandra J.R. Forst. & G. Forst. - cyrtandra

Species: Cyrtandra tintinnabula Rock - Laupahoehoe cyrtandra

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