North America Native Plant

Boxfruit Alani

Botanical name: Melicope peduncularis

USDA symbol: MEPE9

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Pelea niuensis H. St. John (PENI2)  âš˜  Pelea paloloensis H. St. John (PEPA17)  âš˜  Pelea peduncularis Levl. (PEPE7)  âš˜  Pelea peduncularis Levl. var. cordata B.C. Stone (PEPEC)  âš˜  Pelea peduncularis Levl. var. nummularia B.C. Stone (PEPEN)  âš˜  Pelea peduncularis Levl. var. niuensis (H. St. John) B.C. Stone (PEPEN2)  âš˜  Pelea peduncularis Levl. var. pauciflora (H. St. John) B.C. Stone (PEPEP)  âš˜  Pelea peduncularis Levl. var. paloloensis (H. St. John) B.C. Stone (PEPEP4)  âš˜  Pelea peduncularis Levl. var. quadrata B.C. Stone (PEPEQ)  âš˜  Pelea peduncularis Levl. var. ternifolia (B.C. Stone) B.C. Stone (PEPET)  âš˜  Pelea waimeaensis H. St. John & Hume (PEWA5)  âš˜  Pelea wawraeana Rock var. tenuifolia H. St. John & Hume (PEWAT)   

Boxfruit Alani: A Rare Hawaiian Native Worth Preserving in Your Garden Meet the boxfruit alani (Melicope peduncularis), a charming Hawaiian endemic that’s both a gardener’s delight and a conservation priority. This understated beauty might not win any flashy flower contests, but it’s got something even better—authentic island heritage and a ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Boxfruit Alani: A Rare Hawaiian Native Worth Preserving in Your Garden

Meet the boxfruit alani (Melicope peduncularis), a charming Hawaiian endemic that’s both a gardener’s delight and a conservation priority. This understated beauty might not win any flashy flower contests, but it’s got something even better—authentic island heritage and a story worth telling.

What Makes Boxfruit Alani Special?

The boxfruit alani is a perennial shrub that typically reaches 4-5 meters (13-16 feet) in height, though it can sometimes grow taller or remain more compact depending on its environment. True to its shrubby nature, it develops multiple stems from near the ground, creating a naturally full, bushy appearance that makes it perfect for adding structure to your landscape.

This plant is exclusively native to Hawaii, where it grows naturally across several islands including Oahu, Maui, and the Big Island. You won’t find this species anywhere else in the world—it’s as Hawaiian as it gets!

A Plant That Needs Our Help

Here’s where things get serious: boxfruit alani has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21 to 100 occurrences and an estimated 3,000 to 10,000 individuals remaining in the wild, this species is dancing on the edge of rarity. If you’re considering adding this plant to your garden, you absolutely must source it responsibly from reputable native plant nurseries or conservation organizations.

Garden Appeal and Landscape Role

Don’t let its conservation status fool you into thinking this plant is high-maintenance or finicky. The boxfruit alani produces clusters of small, white to cream-colored flowers that may not stop traffic but certainly charm anyone who takes a closer look. The real show-stopper is its aromatic foliage and attractive seed capsules that follow the blooms.

In the landscape, this shrub excels as:

  • An understory plant in naturalistic settings
  • Natural screening between properties
  • A cornerstone species in native Hawaiian restoration projects
  • A conversation starter about Hawaiian conservation

Growing Conditions and Care

If you’re lucky enough to garden in USDA hardiness zones 10-12 (basically tropical and subtropical climates), you can successfully grow boxfruit alani. This plant appreciates:

  • Partial shade to full sun exposure
  • Well-draining soil that doesn’t get waterlogged
  • Consistent moderate moisture (not too wet, not too dry)
  • Organic mulch around the base to retain moisture and suppress weeds

Planting and Care Tips

When planting your boxfruit alani, choose a spot where it has room to spread naturally—remember, this is a multi-stemmed shrub that likes to fill out. Dig a hole twice as wide as the root ball but no deeper, and backfill with native soil mixed with some organic compost if your soil is particularly poor.

Once established, this plant is relatively low-maintenance. Water regularly during dry spells, but don’t overdo it—soggy soil is not this Hawaiian native’s friend. A layer of organic mulch will help maintain consistent soil moisture while keeping the roots cool.

Benefits Beyond Beauty

Growing boxfruit alani isn’t just about having a unique plant in your garden—you’re participating in conservation. This species attracts native Hawaiian insects and provides habitat for local wildlife. Every responsibly grown specimen helps ensure this rare plant has a future beyond its dwindling wild populations.

The Bottom Line

Should you plant boxfruit alani? If you’re gardening in the right climate zone and can source the plant responsibly, absolutely yes. You’ll be growing a piece of authentic Hawaiian heritage while supporting conservation efforts. Just remember—with great garden privilege comes great responsibility to source ethically and grow thoughtfully.

This isn’t your typical garden center impulse buy, but rather a meaningful addition that connects your landscape to Hawaii’s unique natural heritage. And really, isn’t that worth more than just another pretty flower?

Boxfruit Alani

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 peduncularis (Levl.) T.G. Hartley & B.C. Stone - boxfruit alani

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