North America Native Plant

Threeleaf Derris

Botanical name: Derris trifoliata

USDA symbol: DETR5

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Derris uliginosa (Willd.) Benth. (DEUL2)   

Threeleaf Derris: A Native Pacific Climbing Vine Worth Discovering If you’re gardening in the Pacific islands and looking for a native climbing plant that’s both beautiful and ecologically appropriate, let me introduce you to threeleaf derris (Derris trifoliata). This lesser-known native vine might just be the perfect addition to your ...

Threeleaf Derris: A Native Pacific Climbing Vine Worth Discovering

If you’re gardening in the Pacific islands and looking for a native climbing plant that’s both beautiful and ecologically appropriate, let me introduce you to threeleaf derris (Derris trifoliata). This lesser-known native vine might just be the perfect addition to your tropical landscape – though I’ll be honest, it’s one of those plants that keeps some of its secrets close to its chest!

What Makes Threeleaf Derris Special?

Threeleaf derris is a native climbing vine that calls the Pacific Basin home, specifically thriving in places like Guam and Palau, where locals know it as kemokem. As its name suggests, this plant sports distinctive three-leaflet compound leaves that create an attractive, lush appearance as it climbs and spreads.

What really catches the eye are its clusters of pea-like flowers that range from soft pink to vibrant purple. These blooms aren’t just pretty to look at – they’re also magnets for butterflies and bees, making this vine a pollinator-friendly choice for your garden.

Where Does Threeleaf Derris Call Home?

This vine is native to the Pacific Basin, with confirmed populations in Guam and Palau. It’s adapted to the unique coastal conditions of these tropical islands, which gives us some important clues about how to grow it successfully.

Why Consider Growing Threeleaf Derris?

Here are the compelling reasons to give this native vine a spot in your garden:

  • True native plant: Supporting local ecosystems by choosing plants that naturally belong in your area
  • Pollinator magnet: Those lovely flowers attract butterflies and bees
  • Coastal tough: Adapted to handle salt spray and coastal conditions
  • Unique aesthetic: Distinctive three-part leaves and colorful flower clusters
  • Climbing habit: Perfect for adding vertical interest to your landscape

The Growing Challenge (And Opportunity!)

Here’s where I need to be completely transparent with you: threeleaf derris is one of those native plants that hasn’t been extensively studied for home cultivation. While we know it’s native to Pacific islands and thrives in coastal conditions, specific growing requirements, propagation methods, and care instructions aren’t well-documented in mainstream gardening resources.

This actually presents an exciting opportunity for adventurous Pacific island gardeners! If you’re up for some botanical detective work, this could be your chance to help expand our knowledge of this native species.

What We Do Know About Growing Conditions

Based on its native habitat, threeleaf derris likely prefers:

  • Climate: Tropical to subtropical conditions (USDA zones 10-12)
  • Salt tolerance: Adapted to coastal environments with salt spray
  • Support needs: As a climbing vine, it will need sturdy support structures
  • Soil: Probably prefers well-draining soils typical of coastal areas

Is This Plant Right for Your Garden?

Threeleaf derris might be perfect for you if:

  • You live in Guam, Palau, or similar Pacific island locations
  • You want to support native plant communities
  • You have a coastal garden that needs a climbing element
  • You enjoy growing unique, lesser-known plants
  • You’re interested in attracting pollinators with native flowers

However, you might want to consider alternatives if you’re looking for a vine with well-established growing guides and readily available cultivation information.

The Bottom Line

Threeleaf derris represents both the promise and the challenge of native plant gardening in the Pacific islands. While it’s clearly a beautiful and ecologically valuable native species, the limited cultivation information means you’ll be somewhat pioneering in your growing efforts.

If you’re in its native range and can source it responsibly, this vine could be a wonderful addition to your landscape. Just be prepared for some trial and error as you learn what makes it happiest in your particular garden conditions.

For those outside its native range or looking for similar climbing vines with more established growing guides, consider researching other native vines appropriate to your specific location. Every region has its own climbing treasures waiting to be discovered!

Threeleaf Derris

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

Derris Lour. - derris

Species

Derris trifoliata Lour. - threeleaf derris

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