North America Native Plant

Cynometra

Botanical name: Cynometra ramiflora

USDA symbol: CYRA8

Native status: Native to Pacific Basin excluding Hawaii  

Cynometra: A Hidden Gem for Pacific Island Gardens If you’re gardening in the tropical Pacific and looking for a native tree that’s both beautiful and ecologically valuable, let me introduce you to cynometra (Cynometra ramiflora). This lesser-known native species might just become your new favorite addition to your tropical landscape. ...

Cynometra: A Hidden Gem for Pacific Island Gardens

If you’re gardening in the tropical Pacific and looking for a native tree that’s both beautiful and ecologically valuable, let me introduce you to cynometra (Cynometra ramiflora). This lesser-known native species might just become your new favorite addition to your tropical landscape.

What is Cynometra?

Cynometra ramiflora, commonly known simply as cynometra, is a charming native tree species that belongs to the legume family. While it may not have the flashy reputation of some tropical showstoppers, this understated beauty has a lot to offer Pacific island gardeners who appreciate subtle elegance and ecological benefits.

Where Does Cynometra Call Home?

This lovely tree is native to the Pacific Basin (excluding Hawaii) and naturally grows in Guam and Palau. By choosing to plant cynometra, you’re not just adding beauty to your garden – you’re supporting the native plant heritage of the Pacific islands and creating habitat that local wildlife recognizes as home.

Why Choose Cynometra for Your Garden?

There are several compelling reasons to consider this native beauty:

  • It’s perfectly adapted to Pacific island conditions
  • Supports local ecosystems and wildlife
  • Requires minimal care once established
  • Adds authentic island character to your landscape
  • Helps preserve native plant diversity

What Does Cynometra Look Like?

Cynometra is a small to medium-sized tree that won’t overwhelm smaller garden spaces. It features attractive compound leaves that create lovely dappled shade, and produces small, clustered flowers that may seem modest but are incredibly valuable to local pollinators and beneficial insects. The overall form is graceful and well-suited to both formal and naturalistic garden designs.

Growing Conditions and Care

One of the best things about choosing native plants like cynometra is that they’re naturally suited to local growing conditions. Here’s what this tree prefers:

  • Climate: Thrives in USDA hardiness zones 10-11 (tropical conditions)
  • Light: Full sun to partial shade
  • Soil: Well-draining soil (adapts to various soil types)
  • Water: Regular watering, especially during establishment
  • Wind protection: Benefits from protection from strong trade winds

Planting and Care Tips

Getting your cynometra off to a good start is straightforward:

  • Plant during the wet season for easier establishment
  • Dig a hole twice as wide as the root ball but no deeper
  • Water regularly for the first year while roots establish
  • Apply a layer of organic mulch around the base
  • Minimal pruning needed – just remove dead or damaged branches
  • Once established, it’s quite drought-tolerant

Garden Design Ideas

Cynometra works beautifully in several landscape settings:

  • As a specimen tree in smaller gardens
  • In mixed native plant landscapes
  • As part of a tropical food forest or permaculture design
  • In coastal gardens (with wind protection)
  • As a shade tree for patios or seating areas

Supporting Island Ecosystems

By choosing cynometra, you’re doing more than just beautifying your space. Native plants like this one support local wildlife, from the smallest beneficial insects to larger animals that depend on native plant communities. The flowers provide nectar and pollen for native pollinators, helping maintain the delicate web of relationships that keep island ecosystems healthy.

Is Cynometra Right for Your Garden?

If you’re gardening in Guam, Palau, or similar Pacific island environments, cynometra could be a wonderful addition to your landscape. It’s especially perfect for gardeners who want to create authentic island landscapes that support local ecology while still being beautiful and manageable.

However, if you’re gardening outside the Pacific Basin, this tree likely won’t thrive in your climate. Instead, consider researching native trees in your own region that can provide similar benefits in your local ecosystem.

Ready to add some authentic island character to your garden? Cynometra ramiflora might just be the perfect native tree you’ve been looking for – sometimes the most rewarding garden choices are the quiet, steady performers that support both beauty and biodiversity.

Cynometra

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Cynometra L. - cynometra

Species

Cynometra ramiflora L. - cynometra

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