North America Native Plant

Cyrtandra

Botanical name: Cyrtandra ×umbraculiflora

USDA symbol: CYUM2

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Cyrtandra: A Native Hawaiian Shrub Worth Getting to Know If you’re looking to add authentic Hawaiian character to your garden, Cyrtandra ×umbraculiflora might just be the native shrub you’ve been searching for. This perennial beauty is part of Hawaii’s rich botanical heritage, offering gardeners a chance to grow something truly ...

Cyrtandra: A Native Hawaiian Shrub Worth Getting to Know

If you’re looking to add authentic Hawaiian character to your garden, Cyrtandra ×umbraculiflora might just be the native shrub you’ve been searching for. This perennial beauty is part of Hawaii’s rich botanical heritage, offering gardeners a chance to grow something truly local and meaningful.

What Makes This Plant Special

Cyrtandra ×umbraculiflora is what botanists call a hybrid—notice that little × in the name? That means this plant is the result of two different Cyrtandra species coming together naturally. It’s like nature’s own plant breeding experiment, and the results are uniquely Hawaiian.

As a native species, this cyrtandra has evolved specifically for Hawaii’s unique climate and conditions. When you plant native species, you’re not just gardening—you’re participating in conservation and supporting the ecosystem that makes Hawaii so special.

Where You’ll Find It Growing

This cyrtandra calls the Hawaiian Islands home, and only the Hawaiian Islands. It’s what we call an endemic species, meaning you won’t find it growing wild anywhere else on Earth. That makes it pretty special in the plant world!

What to Expect: Size and Growth

Cyrtandra ×umbraculiflora grows as a shrub, which means you can expect:

  • A perennial woody plant that comes back year after year
  • Multiple stems arising from or near the ground
  • Typical height of less than 13-16 feet (though it can occasionally grow taller)
  • A naturally bushy, multi-stemmed appearance

The Honest Truth About Growing Information

Here’s where we need to be upfront with you: specific growing information for this particular hybrid is quite limited in readily available sources. As a native Hawaiian plant, it’s likely adapted to Hawaii’s tropical climate, but the exact details about soil preferences, watering needs, and care requirements aren’t well-documented in general gardening resources.

This doesn’t mean you can’t grow it—it just means you might need to do some detective work or consult with local Hawaiian native plant experts, botanical gardens, or extension services for the best growing advice.

Why Consider This Plant for Your Garden

Even with limited growing information, there are compelling reasons to consider cyrtandra:

  • Conservation value: Growing native plants supports local ecosystems
  • Climate adaptation: Native plants are naturally suited to local conditions
  • Cultural significance: You’re preserving Hawaii’s botanical heritage
  • Uniqueness: This is a plant you can’t find anywhere else in the world

Getting Started: What We Recommend

If you’re interested in growing Cyrtandra ×umbraculiflora, here’s your best path forward:

  • Contact local Hawaiian botanical gardens or native plant societies for specific growing advice
  • Look for responsibly sourced plants from reputable native plant nurseries
  • Connect with other native plant gardeners in Hawaii for firsthand experience
  • Consider starting with other, better-documented Cyrtandra species to gain experience with the genus

The Bottom Line

Cyrtandra ×umbraculiflora represents the kind of unique, native plant that makes Hawaiian gardening so special. While we may not have all the growing details at our fingertips, sometimes the most rewarding gardening adventures come from working with plants that are a little mysterious and require us to connect with local expertise and fellow gardeners.

If you’re passionate about native plants and conservation, this cyrtandra could be a wonderful addition to your Hawaiian garden. Just be prepared to become a bit of a plant detective in the process!

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 ×umbraculiflora Rock (pro sp.) [kauaiensis × wawrae] - cyrtandra

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