North America Native Plant

Wild Coffee

Botanical name: Psychotria hombroniana var. peliliuensis

USDA symbol: PSHOP

Life cycle: perennial

Habit: shrub

Native status: Native to Pacific Basin excluding Hawaii  

Wild Coffee: A Mysterious Pacific Island Native Worth Knowing If you’re drawn to unique native plants with an air of mystery, Psychotria hombroniana var. peliliuensis—commonly known as wild coffee—might just pique your curiosity. This perennial shrub hails from the remote Pacific islands, bringing a touch of tropical authenticity to gardens ...

Wild Coffee: A Mysterious Pacific Island Native Worth Knowing

If you’re drawn to unique native plants with an air of mystery, Psychotria hombroniana var. peliliuensis—commonly known as wild coffee—might just pique your curiosity. This perennial shrub hails from the remote Pacific islands, bringing a touch of tropical authenticity to gardens fortunate enough to host it.

Where Does Wild Coffee Call Home?

This particular variety of wild coffee is native to the Pacific Basin, specifically found growing naturally in Guam and Palau. As a true island native, it’s perfectly adapted to the unique growing conditions of these tropical Pacific locations, making it a genuine representation of Micronesian flora.

What to Expect from This Pacific Beauty

Wild coffee is a perennial, multi-stemmed woody shrub that typically stays under 13 to 16 feet tall. Like many shrubs, it usually develops several stems that emerge from or near the ground level, creating a full, bushy appearance. Under certain environmental conditions, it might grow taller or develop a more single-stemmed structure, showing just how adaptable these island plants can be.

The Reality Check: What We Don’t Know

Here’s where things get interesting (and a bit frustrating for us plant enthusiasts): there’s surprisingly little documented information about this specific variety when it comes to cultivation. We’re still learning about:

  • Its specific growing requirements and preferred conditions
  • How it performs in different garden settings
  • Its relationships with local wildlife and pollinators
  • Whether it has any invasive tendencies outside its native range
  • Its conservation status and rarity

Should You Plant Wild Coffee?

The honest answer? Proceed with caution and curiosity. Since we don’t know its invasive potential or conservation status, it’s wise to:

  • Only source plants from reputable, ethical suppliers
  • Consider it for specialized collections or botanical gardens rather than widespread landscape use
  • Monitor its behavior carefully if you do decide to grow it
  • Check with local extension services or native plant societies for guidance

The Bottom Line

Psychotria hombroniana var. peliliuensis represents one of those fascinating plants that reminds us how much we still have to learn about our world’s botanical diversity. While its mysterious nature makes it challenging to recommend for typical home gardens, it certainly deserves respect as a unique piece of Pacific island heritage.

If you’re interested in supporting Pacific island ecosystems in your garden, consider connecting with native plant organizations in Guam or Palau, or look into other well-documented Psychotria species that might offer similar appeal with better-understood growing requirements.

Sometimes the most intriguing plants are the ones that keep a few secrets—and wild coffee definitely fits that description!

Wild Coffee

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

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Psychotria L. - wild coffee

Species

Psychotria hombroniana (Baill.) Fosberg - wild coffee

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