Native Plants

Kukaemoa

Melicope clusiifolia

USDA symbol: MECL

perennial shrub

Hawaii: native

If you’re looking to create an authentic Hawaiian landscape that celebrates the islands’ unique botanical heritage, let me introduce you to kukaemoa (Melicope clusiifolia). This charming native shrub might not be as famous as hibiscus or plumeria, but it deserves a special place in any Hawaiian garden worth its salt. ...

Kukaemoa may be listed as rare in your area.
Global Conservation Status

Status: S3S4 | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Kukaemoa: A Hidden Gem for Hawaiian Native Gardens

If you’re looking to create an authentic Hawaiian landscape that celebrates the islands’ unique botanical heritage, let me introduce you to kukaemoa (Melicope clusiifolia). This charming native shrub might not be as famous as hibiscus or plumeria, but it deserves a special place in any Hawaiian garden worth its salt.

What Makes Kukaemoa Special?

Kukaemoa, also known by the wonderfully musical name kolokolo mokihana, is a perennial shrub that’s as Hawaiian as it gets. This lovely plant is endemic to the Hawaiian Islands, meaning you won’t find it growing wild anywhere else on Earth. It’s a member of the citrus family, though don’t expect to make lemonade from it!

As a multi-stemmed woody shrub, kukaemoa typically stays under 13-16 feet tall, making it perfect for residential landscapes. Its glossy green leaves and clusters of small, cream-colored flowers create a subtle but elegant presence in the garden.

Where Does Kukaemoa Call Home?

This island beauty is found naturally across several Hawaiian islands, including Oahu, Maui, the Big Island, and Molokai. It’s perfectly adapted to Hawaii’s unique climate and growing conditions.

  • Species observed
  • No observations

Why You Should Consider Planting Kukaemoa

Here’s where things get interesting – and important. Kukaemoa has a conservation status of S3S4, which means it’s somewhat rare and needs our help to thrive. By choosing to plant this native species, you’re not just creating a beautiful garden; you’re participating in conservation efforts to preserve Hawaii’s unique plant heritage.

Important note: Because of its rarity status, make sure you source kukaemoa from reputable native plant nurseries that propagate their plants responsibly. Never collect from wild populations!

Garden Benefits That Make Sense

  • Authentic Hawaiian character: Creates genuine island ambiance in your landscape
  • Low maintenance: Once established, it’s quite drought tolerant
  • Pollinator support: The flowers attract beneficial insects
  • Versatile placement: Works well as a foundation plant, specimen shrub, or mixed into native plantings
  • Conservation value: Helps preserve Hawaii’s botanical heritage

Perfect Growing Conditions

Kukaemoa is surprisingly adaptable, which explains why it can handle both wetland and non-wetland conditions (it has a Facultative wetland status). Here’s what this friendly shrub prefers:

  • Climate: USDA zones 10-12 (perfect for Hawaii’s tropical climate)
  • Sun exposure: Partial shade to full sun
  • Soil: Well-draining soils, especially volcanic soils native to the islands
  • Water: Regular watering during establishment, then quite drought tolerant

Planting and Care Made Simple

Growing kukaemoa successfully is easier than pronouncing its name! Here are the basics:

  • Plant in well-draining soil (this is crucial – soggy roots make for unhappy plants)
  • Water regularly for the first few months until the root system establishes
  • Once established, reduce watering frequency – this plant appreciates a more natural rainfall pattern
  • Minimal pruning needed; just remove any dead or damaged branches
  • Mulch around the base to retain moisture and suppress weeds

The Perfect Garden Match

Kukaemoa shines in:

  • Native Hawaiian plant gardens
  • Drought-tolerant landscapes
  • Coastal gardens (it handles salt spray reasonably well)
  • Mixed native plantings alongside other Hawaiian species
  • Foundation plantings around island-style homes

A Plant Worth Preserving

By choosing kukaemoa for your garden, you’re making a statement about the value of native plants and biodiversity conservation. This isn’t just about having a pretty shrub – it’s about maintaining the ecological integrity and cultural heritage of the Hawaiian Islands.

Remember, the key to success with any rare native plant is responsible sourcing and proper care. Seek out native plant nurseries, join local native plant societies, and connect with other gardeners who share your passion for preserving Hawaii’s unique botanical treasures.

Kukaemoa may be a quiet presence in the garden, but its contribution to Hawaii’s natural heritage speaks volumes. Give this charming native a try – your garden (and the islands’ ecosystem) will thank you for it!

Melicope clusiifolia 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. Melicope clusiifolia is also known as:

Pelea clusiifolia | USDA symbol: PECL6
Pelea clusiifolia Gray var. auriculifolia | USDA symbol: PECLA2
Pelea clusiifolia Gray var. crassiloba | USDA symbol: PECLC
Pelea clusiifolia Gray var. cuneata John & | USDA symbol: PECLC2
Pelea clusiifolia Gray ssp. cookeana | USDA symbol: PECLC3
Pelea clusiifolia Gray ssp. dumosa | USDA symbol: PECLD
Pelea clusiifolia Gray var. dumosa | USDA symbol: PECLD2
Pelea clusiifolia Gray var. ecuneata | USDA symbol: PECLE
Pelea clusiifolia Gray var. fauriei John & | USDA symbol: PECLF
Pelea clusiifolia Gray var. pickeringii | USDA symbol: PECLP

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: Rosidae
Order: Sapindales
Family: Rutaceae Juss. - Rue family
Genus: Melicope (J.R. Forst. & G. Forst.) T.G. Hartley & B.C. Stone - melicope

Species: Melicope clusiifolia (A. Gray) T.G. Hartley & B.C. Stone - kukaemoa

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