Native Plants

Waianae Range Wild Coffee

Psychotria hathewayi var. hathewayi

USDA symbol: PSHAH2

perennial tree

Hawaii: native

If you’re a gardener with a passion for rare native plants and a connection to Hawaii, the Waianae Range wild coffee might just capture your heart. This exceptional tree, scientifically known as Psychotria hathewayi var. hathewayi, represents one of Hawaii’s most precious botanical treasures – but it comes with important ...

Waianae Range Wild Coffee may be listed as rare in your area.
Global Conservation Status

Status: S2T2 | Subspecies or variety is imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Waianae Range Wild Coffee: A Rare Hawaiian Treasure Worth Protecting

If you’re a gardener with a passion for rare native plants and a connection to Hawaii, the Waianae Range wild coffee might just capture your heart. This exceptional tree, scientifically known as Psychotria hathewayi var. hathewayi, represents one of Hawaii’s most precious botanical treasures – but it comes with important conservation considerations that every responsible gardener should understand.

What Makes This Plant Special?

The Waianae Range wild coffee is a perennial tree that’s completely native to Hawaii, making it a true island endemic. As its common name suggests, this species has historical ties to the famous coffee family, though it’s quite different from the coffee you might brew each morning. This remarkable plant can grow into a substantial tree, typically reaching heights of 13 to 16 feet or more, with a classic single-trunk growth habit that gives it an elegant, stately presence.

You might occasionally see this plant referenced by its synonym, Psychotria waianensis, but don’t let the name confusion fool you – we’re talking about the same rare Hawaiian beauty.

Where Does It Come From?

This tree is found exclusively in Hawaii, with its natural habitat centered in the Waianae Range – hence the descriptive common name. As an endemic species, it evolved specifically within Hawaii’s unique ecosystem and plays an important role in the islands’ native plant communities.

  • Species observed
  • No observations

The Rarity Reality: Why This Matters

Here’s where things get serious, fellow plant lovers. The Waianae Range wild coffee has a Global Conservation Status of S2T2, which means it’s considered imperiled and rare in its natural habitat. This isn’t just another pretty plant we can casually add to our gardens – it’s a species that needs our protection and respect.

If you’re considering growing this remarkable tree, you absolutely must source it responsibly. This means:

  • Only purchasing from reputable native plant nurseries that propagate from legally and ethically obtained seeds
  • Never collecting seeds or plants from wild populations
  • Supporting conservation efforts for Hawaiian native plants
  • Growing it as part of a commitment to preserving Hawaii’s unique botanical heritage

Should You Grow It?

The answer depends on your gardening philosophy and location. If you’re in Hawaii or a similar tropical climate (likely USDA zones 10-11), and you’re committed to native plant conservation, this could be a meaningful addition to your landscape. However, given its rarity status, this isn’t a plant for casual gardeners or those looking for easy-care landscape fillers.

This tree would be most appropriate for:

  • Dedicated native plant gardens
  • Conservation-minded landscaping projects
  • Educational or botanical garden settings
  • Restoration efforts in appropriate Hawaiian ecosystems

Growing Conditions and Care

Unfortunately, detailed cultivation information for this rare species is limited, which reflects both its rarity and the specialized knowledge needed to grow it successfully. As a Hawaiian endemic tree, it likely prefers:

  • Warm, tropical conditions year-round
  • Well-draining soil that mimics its natural habitat
  • Protection from strong winds
  • Consistent moisture without waterlogging

If you’re serious about growing this plant, we strongly recommend connecting with Hawaiian native plant societies, botanical gardens, or university extension programs that specialize in endemic species cultivation.

The Bottom Line

The Waianae Range wild coffee represents something truly special in the plant world – a rare, endemic Hawaiian tree that connects us to the islands’ unique natural heritage. While it’s not a plant for every gardener, those with the right conditions, conservation mindset, and access to responsibly sourced material might find growing this tree to be a deeply rewarding way to participate in preserving Hawaii’s botanical treasures.

Remember, with rare plants comes great responsibility. If you choose to grow Psychotria hathewayi var. hathewayi, you’re not just adding a tree to your landscape – you’re becoming a steward of Hawaiian biodiversity.

Psychotria hathewayi var. hathewayi is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Psychotria hathewayi var. hathewayi is also known as:

Psychotria waianensis | USDA symbol: PSWA

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Rubiales
Family: Rubiaceae Juss. - Madder family
Genus: Psychotria L. - wild coffee

Species: Psychotria hathewayi Fosberg - Waianae Range wild coffee

Variety: Psychotria hathewayi Fosberg var. hathewayi - Waianae Range 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