North America Native Plant

Hairyflower Melicope

Botanical name: Melicope trichantha

USDA symbol: METR

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Euodia trichantha Lauterb. (EUTR13)   

Hairyflower Melicope: A Hidden Gem of Pacific Island Gardens Meet the hairyflower melicope (Melicope trichantha), a charming native tree that’s been quietly beautifying Pacific island landscapes for generations. If you’re lucky enough to garden in the tropical paradises of Guam or Palau, this unsung hero might just become your new ...

Hairyflower Melicope: A Hidden Gem of Pacific Island Gardens

Meet the hairyflower melicope (Melicope trichantha), a charming native tree that’s been quietly beautifying Pacific island landscapes for generations. If you’re lucky enough to garden in the tropical paradises of Guam or Palau, this unsung hero might just become your new favorite shade tree.

What Makes Hairyflower Melicope Special?

The hairyflower melicope is a true Pacific native, belonging exclusively to the western Pacific Basin. You won’t find this beauty growing wild anywhere else in the world – it’s as authentically Pacific as it gets! Previously known by botanists as Euodia trichantha, this perennial tree has earned its place as a valuable component of native island ecosystems.

Where You’ll Find It Growing Wild

This tropical treasure calls only two places home: the islands of Guam and Palau. Its limited natural range makes it a special addition to any garden within these regions, where it thrives in the warm, humid climate it evolved to love.

A Tree Worth Growing

As a mature tree species, the hairyflower melicope typically reaches impressive heights of 13 to 16 feet or more, developing a strong single trunk that provides excellent structure to tropical landscapes. While it can occasionally develop multiple stems in certain conditions, it generally maintains that classic tree form that makes it perfect for:

  • Providing natural shade in tropical gardens
  • Creating canopy layers in native plant landscapes
  • Adding authentic local character to residential properties
  • Supporting biodiversity in restoration projects

Perfect for Tropical Gardens

If you’re designing a tropical or subtropical landscape in USDA hardiness zones 10-12, the hairyflower melicope could be exactly what you’re looking for. This tree shines in authentic Pacific island garden designs, where its native status makes it a responsible and ecologically sound choice.

The small, delicate flowers (which give the plant its hairyflower common name) create clusters of white to cream-colored blooms that attract local pollinators, including small insects and bees. The glossy, compound leaves provide year-round tropical greenery that looks right at home in paradise.

Growing Your Hairyflower Melicope

Climate Requirements: This is strictly a warm-weather plant. You’ll need consistently tropical conditions – think Guam and Palau climates – to keep this tree happy.

Sun and Shade: Hairyflower melicope adapts well to various light conditions, from partial shade to full sun, making it versatile for different spots in your garden.

Soil Needs: Like most tropical trees, it prefers well-draining soil that doesn’t stay waterlogged. Good drainage is key to preventing root problems.

Planting and Care Tips

  • Watering: Maintain consistent moisture, especially during establishment, but avoid overwatering
  • Mulching: Apply organic mulch around the base to retain moisture and suppress weeds
  • Wind Protection: Young trees benefit from protection against strong tropical winds
  • Spacing: Give it room to grow – remember, this can become a substantial tree

Supporting Native Biodiversity

By choosing the hairyflower melicope for your Pacific island garden, you’re doing more than just adding a beautiful tree – you’re supporting local ecosystems. Native plants like this one provide food and habitat for indigenous wildlife and help maintain the natural character of Pacific island landscapes.

While specific wildlife benefits aren’t extensively documented, native trees typically support local bird species, beneficial insects, and the overall ecological web that makes these island environments so special.

Is Hairyflower Melicope Right for Your Garden?

This native beauty is perfect for you if you’re gardening in Guam or Palau and want to create an authentic, environmentally responsible landscape. Its status as a true Pacific native makes it an excellent choice for ecological restoration projects or anyone wanting to honor local plant heritage.

However, if you’re gardening outside its native range, you might want to look for native alternatives better suited to your specific location. The hairyflower melicope’s very specific climate requirements mean it’s really only suitable for its natural tropical Pacific home.

For lucky gardeners in the right location, the hairyflower melicope offers the satisfaction of growing something truly special – a piece of Pacific botanical heritage that will provide beauty, shade, and ecological value for years to come.

Hairyflower Melicope

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Rutaceae Juss. - Rue family

Genus

Melicope (J.R. Forst. & G. Forst.) T.G. Hartley & B.C. Stone - melicope

Species

Melicope trichantha (Lauterb.) T.G. Hartley - hairyflower melicope

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