North America Native Plant

Oppositeleaf Cyrtandra

Botanical name: Cyrtandra lysiosepala

USDA symbol: CYLY2

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Cyrtandra lysiosepala (A. Gray) C.B. Clarke var. hawaiiensis Skottsb. (CYLYH2)  âš˜  Cyrtandra montis-loa Rock (CYMO7)   

Oppositeleaf Cyrtandra: A Rare Hawaiian Native Worth Protecting in Your Garden Meet the oppositeleaf cyrtandra (Cyrtandra lysiosepala), a charming Hawaiian native that deserves a spotlight in conservation-minded gardens. This lesser-known member of the African violet family brings authentic island character to shaded landscapes while supporting Hawaii’s unique botanical heritage. What ...

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 ⚘

Oppositeleaf Cyrtandra: A Rare Hawaiian Native Worth Protecting in Your Garden

Meet the oppositeleaf cyrtandra (Cyrtandra lysiosepala), a charming Hawaiian native that deserves a spotlight in conservation-minded gardens. This lesser-known member of the African violet family brings authentic island character to shaded landscapes while supporting Hawaii’s unique botanical heritage.

What Makes Oppositeleaf Cyrtandra Special?

As a true Hawaiian endemic, oppositeleaf cyrtandra represents millions of years of isolated evolution on the Big Island. This perennial shrub typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall with several stems emerging from near the ground. Like other members of the Gesneriaceae family, it produces attractive tubular flowers that add delicate beauty to Hawaii’s native understory.

Where Does It Grow?

Oppositeleaf cyrtandra calls only Hawaii home, making it a true island treasure. You’ll find this species naturally growing on the Big Island, where it thrives in the dappled light of native forests.

Important Conservation Note

Here’s something every gardener should know: oppositeleaf cyrtandra has a Global Conservation Status of S3, meaning it’s considered Vulnerable. This typically indicates only 21-100 occurrences exist, or roughly 3,000-10,000 individual plants in the wild. While this makes it an incredibly meaningful addition to native Hawaiian gardens, it’s crucial to source plants only from reputable native plant nurseries that grow from ethically collected seeds or cuttings.

Garden Role and Design Ideas

Think of oppositeleaf cyrtandra as your garden’s quiet achiever. This shrub works beautifully in:

  • Native Hawaiian landscape restorations
  • Shaded understory plantings
  • Conservation gardens focused on endemic species
  • Naturalistic forest garden settings

Its moderate size makes it perfect for creating layers in native plantings without overwhelming smaller plants or competing with canopy trees.

Growing Conditions and Care

Oppositeleaf cyrtandra appreciates conditions that mimic its natural forest habitat:

  • Light: Prefers shade to partial shade – avoid direct sunlight
  • Moisture: Likes consistent moisture but not waterlogged conditions
  • Soil: Well-draining forest-type soils work best
  • Climate: Thrives in USDA zones 10-12 (tropical and subtropical regions)

The plant’s wetland status is Facultative Upland, meaning it usually grows in non-wetland areas but can tolerate some moisture – perfect for those slightly damp spots in your garden that aren’t quite bog-like.

Planting and Care Tips

Success with oppositeleaf cyrtandra comes down to recreating its natural environment:

  • Plant in a protected, shaded location
  • Maintain consistent soil moisture without creating soggy conditions
  • Mulch around the base to retain moisture and suppress weeds
  • Protect from strong winds that can damage branches
  • Be patient – native Hawaiian plants often establish slowly but live long lives

Why Choose Oppositeleaf Cyrtandra?

By growing oppositeleaf cyrtandra, you’re not just adding a beautiful native plant to your landscape – you’re participating in conservation. Every responsibly grown plant helps ensure this vulnerable species has a future beyond its limited wild populations. Plus, you’ll be creating authentic Hawaiian habitat that supports the islands’ unique ecological character.

Just remember: always source your plants from reputable native nurseries and never collect from wild populations. This rare beauty is worth protecting for future generations of both gardeners and the native ecosystems it calls home.

Oppositeleaf 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 lysiosepala (A. Gray) C.B. Clarke - oppositeleaf cyrtandra

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