North America Native Plant

Ongael

Botanical name: Phaleria nisidae

USDA symbol: PHNI12

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Phaleria nisidai Kaneh., orth. var. (PHNI11)  âš˜  Phaleria nishidai Kaneh., orth. var. (PHNI13)  âš˜  Phaleria nishidae Kaneh., orth. var. (PHNI14)   

Discovering Ongael: A Pacific Island Native Worth Knowing If you’re gardening in the Pacific islands and looking for authentic native plants, you might want to get acquainted with ongael (Phaleria nisidae). This lesser-known native tree species offers Pacific Island gardeners a chance to grow something truly local, though it comes ...

Discovering Ongael: A Pacific Island Native Worth Knowing

If you’re gardening in the Pacific islands and looking for authentic native plants, you might want to get acquainted with ongael (Phaleria nisidae). This lesser-known native tree species offers Pacific Island gardeners a chance to grow something truly local, though it comes with some unique considerations.

What is Ongael?

Ongael, scientifically known as Phaleria nisidae, is a perennial tree native to the Pacific Basin. In Palau, it’s also called delalakar. This woody species typically grows as a single-stemmed tree, reaching heights greater than 13-16 feet under ideal conditions, though environmental factors can sometimes result in shorter, multi-stemmed growth forms.

Where Does Ongael Grow Naturally?

This Pacific native has a fairly limited natural range, growing wild in Guam and Palau. As a true native of these islands, ongael represents an important part of the local ecosystem and botanical heritage of Micronesia.

Should You Plant Ongael in Your Garden?

Here’s where things get interesting – and a bit challenging. Ongael could be a fantastic choice for Pacific Island gardeners who want to support native biodiversity and create authentic island landscapes. However, there’s a catch: detailed growing information for this species is quite scarce.

The Challenges of Growing Ongael

Unlike more commonly cultivated plants, ongael doesn’t have a wealth of gardening resources available. Here’s what we’re working with:

  • Limited information about specific growing conditions
  • Unknown USDA hardiness zones
  • Unclear propagation methods
  • Unknown pollinator and wildlife benefits
  • Uncertain wetland preferences

What We Do Know About Growing Ongael

While specific cultivation details are limited, we can make some educated assumptions based on its native habitat:

  • Climate: Likely thrives in tropical Pacific island conditions
  • Growth form: Expect a tree that can reach substantial height (over 13 feet)
  • Longevity: As a perennial woody species, it’s built for the long haul
  • Island adaptation: Naturally suited to Pacific island environments

Is Ongael Right for Your Landscape?

Ongael might be perfect for your garden if you:

  • Live in Guam, Palau, or similar Pacific island climates
  • Want to support native plant conservation
  • Enjoy being a gardening pioneer with less common species
  • Have space for a potentially large tree
  • Don’t mind some trial-and-error in your growing approach

The Bottom Line on Growing Ongael

Growing ongael is definitely more of an adventure than a sure thing. If you’re in its native range and can source plants or seeds responsibly, it could be a wonderful addition to a native Pacific island garden. Just be prepared to do some experimenting with growing conditions and don’t expect detailed care guides.

For gardeners outside its native range, you might want to consider other native alternatives better suited to your local climate. But if you’re in Guam or Palau and passionate about native plants, ongael represents a unique opportunity to grow something truly special – even if it means writing your own care manual along the way!

Have you encountered ongael in the wild or in cultivation? This is one of those plants where local knowledge and shared experiences could really help build our understanding of how to grow it successfully.

Ongael

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

Myrtales

Family

Thymelaeaceae Juss. - Mezereum family

Genus

Phaleria Jack - phaleria

Species

Phaleria nisidae Kaneh. - ongael

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