North America Native Plant

Pale Melicope

Botanical name: Melicope pallida

USDA symbol: MEPA6

Life cycle: perennial

Habit: tree

Native status: Native to Hawaii  

Synonyms: Pelea leveillei Faurie ex Levl. (PELE4)  âš˜  Pelea pallida Hillebr. (PEPA16)   

Pale Melicope: A Rare Hawaiian Treasure Worth Protecting Meet the pale melicope (Melicope pallida), one of Hawaii’s most endangered native trees that deserves our attention and protection. This beautiful endemic species represents both the incredible diversity of Hawaiian flora and the urgent need for conservation efforts in our island ecosystems. ...

Rare plant alert!

Region: United States

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Pale Melicope: A Rare Hawaiian Treasure Worth Protecting

Meet the pale melicope (Melicope pallida), one of Hawaii’s most endangered native trees that deserves our attention and protection. This beautiful endemic species represents both the incredible diversity of Hawaiian flora and the urgent need for conservation efforts in our island ecosystems.

What Makes Pale Melicope Special?

Pale melicope is a perennial tree that typically grows 13 to 16 feet tall, though it can reach greater heights under ideal conditions. True to its name, this charming tree produces delicate pale yellow to white flowers that cluster together, creating a subtle but lovely display against its simple, opposite leaves. The smooth, grayish bark adds to its understated elegance.

You might also encounter this species listed under its former scientific names, Pelea leveillei or Pelea pallida, in older botanical references.

Where Does It Call Home?

This remarkable tree is found exclusively in Hawaii, where it’s endemic to several islands including Oahu, Molokai, and Maui. Pale melicope naturally occurs in the mesic to dry forest zones of these islands, where it has adapted to the unique growing conditions of Hawaiian ecosystems.

A Critical Conservation Alert

Important: Pale melicope is critically imperiled with a Global Conservation Status of S1 and is listed as Endangered in the United States. This means there are typically fewer than 1,000 individuals remaining in the wild, making it extremely vulnerable to extinction.

If you’re considering growing this species, please ensure you source plants only from reputable conservation nurseries or authorized propagation programs. Never collect from wild populations.

Growing Pale Melicope Responsibly

For those lucky enough to live in suitable climates (USDA zones 10-12), pale melicope can be a meaningful addition to conservation-focused landscapes:

  • Location: Choose a spot with partial shade to full sun
  • Soil: Ensure excellent drainage – this tree doesn’t tolerate waterlogged conditions
  • Protection: Shield from strong winds, which can damage the delicate structure
  • Spacing: Allow adequate room for the tree to reach its mature size

Perfect for Conservation Gardens

Pale melicope works beautifully in:

  • Native Hawaiian restoration projects
  • Conservation-focused home gardens
  • Educational landscapes highlighting endangered species
  • Specimen plantings where its rarity can be appreciated and protected

Supporting Hawaiian Ecosystems

Beyond its conservation value, pale melicope plays an important ecological role by supporting native Hawaiian pollinators with its nectar-rich flowers. By growing this species responsibly, you’re contributing to the preservation of Hawaii’s unique biodiversity.

The Bottom Line

While pale melicope isn’t suitable for every garden due to its specific climate requirements and endangered status, it represents something truly special for conservation-minded gardeners in tropical zones. If you have the right conditions and can source plants ethically, growing pale melicope is a meaningful way to participate in preserving Hawaii’s irreplaceable natural heritage.

Remember: every responsibly grown pale melicope is a small victory in the fight against extinction. Just make sure your gardening choices support conservation rather than contribute to the pressures facing this remarkable species.

Pale Melicope

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

Sapindales

Family

Rutaceae Juss. - Rue family

Genus

Melicope (J.R. Forst. & G. Forst.) T.G. Hartley & B.C. Stone - melicope

Species

Melicope pallida (Hillebr.) T.G. Hartley & B.C. Stone - pale melicope

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