North America Native Plant

Calophyllum Inophyllum Var. Inophyllum

Botanical name: Calophyllum inophyllum var. inophyllum

USDA symbol: CAINI7

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Calophyllum inophyllum var. inophyllum: A Tropical Coastal Beauty for Pacific Gardens If you’re gardening in the tropical Pacific and looking for a stunning native tree that can handle coastal conditions like a champ, let me introduce you to Calophyllum inophyllum var. inophyllum. While it might not have a widely recognized ...

Calophyllum inophyllum var. inophyllum: A Tropical Coastal Beauty for Pacific Gardens

If you’re gardening in the tropical Pacific and looking for a stunning native tree that can handle coastal conditions like a champ, let me introduce you to Calophyllum inophyllum var. inophyllum. While it might not have a widely recognized common name in English, folks in Palau know it as btaches – and for good reason. This magnificent tree has been gracing Pacific coastlines for centuries.

Where Does This Beauty Call Home?

This remarkable tree is native to the Pacific Basin, with a natural range that spans across various Pacific islands. In terms of U.S. territories, you’ll find it naturally growing in Guam and Palau, where it’s perfectly adapted to the tropical island lifestyle. It’s essentially a local celebrity in these areas – the kind of tree that knows exactly how to thrive in paradise.

What Makes This Tree Special?

As a perennial tree, Calophyllum inophyllum var. inophyllum is built to last. This woody giant typically grows with a single trunk and can reach impressive heights of 13-16 feet or more, though environmental conditions might occasionally encourage a more modest, multi-stemmed growth pattern. Think of it as nature’s way of keeping things interesting!

The tree produces beautiful, fragrant white flowers that are absolute magnets for bees and other pollinators. Following the blooms, you’ll get attractive round fruits that add another layer of visual interest throughout the year.

Is This Tree Right for Your Garden?

Before you fall head-over-heels for this tropical beauty, let’s talk practicality. This tree is best suited for:

  • USDA hardiness zones 10-12 (basically, if you don’t experience frost, you’re golden)
  • Large residential landscapes where it has room to spread
  • Coastal gardens where salt tolerance is a must
  • Tropical garden designs where you want a substantial specimen tree

If you’re gardening in cooler climates, this probably isn’t your tree – but don’t worry, there are plenty of native alternatives for temperate regions!

Growing Your Calophyllum Successfully

The good news? This tree is relatively low-maintenance once you understand its preferences:

  • Light: Full sun to partial shade (it’s pretty flexible)
  • Soil: Well-draining soil is essential – soggy feet are not this tree’s friend
  • Water: Regular watering when young, but surprisingly drought-tolerant once established
  • Special superpower: Excellent salt tolerance, making it perfect for coastal properties

Planting and Care Tips

When planting your Calophyllum inophyllum var. inophyllum, think location, location, location. Give it plenty of space to grow – remember, this is going to be a substantial tree. Plant it in well-draining soil and water regularly during its first year to help establish a strong root system.

Once established, this tree becomes remarkably self-sufficient. It’s one of those plant it and (mostly) forget it specimens that experienced tropical gardeners love.

The Bottom Line

If you’re lucky enough to garden in Guam, Palau, or similar tropical Pacific climates, Calophyllum inophyllum var. inophyllum deserves serious consideration. It’s native, it’s beautiful, it supports local pollinators, and it can handle the sometimes challenging coastal conditions that make other trees throw in the towel.

Just remember – this is a tree for warm, tropical climates only. But if that describes your garden, you’ve found yourself a real winner that’ll provide beauty, shade, and ecological benefits for years to come.

Calophyllum Inophyllum Var. Inophyllum

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Theales

Family

Clusiaceae Lindl. - Mangosteen family

Genus

Calophyllum L. - calophyllum

Species

Calophyllum inophyllum L. - Alexandrian laurel

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