North America Native Plant

Meldii

Botanical name: Ophiorrhiza palauensis

USDA symbol: OPPA4

Life cycle: perennial

Habit: subshrub

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Ophiorrhiza palauensis Valeton var. biseta Fosberg (OPPAB)   

Meldii (Ophiorrhiza palauensis): A Rare Pacific Native Worth Understanding If you’ve stumbled across the name meldii in your native plant research, you’ve discovered one of the Pacific’s more mysterious botanical treasures. Known scientifically as Ophiorrhiza palauensis, this perennial herb represents the kind of specialized native plant that makes island ecosystems ...

Meldii (Ophiorrhiza palauensis): A Rare Pacific Native Worth Understanding

If you’ve stumbled across the name meldii in your native plant research, you’ve discovered one of the Pacific’s more mysterious botanical treasures. Known scientifically as Ophiorrhiza palauensis, this perennial herb represents the kind of specialized native plant that makes island ecosystems so fascinating—and so fragile.

What Exactly Is Meldii?

Meldii is a perennial forb, which is just a fancy way of saying it’s a non-woody plant that comes back year after year. In Palau, locals also call it odoid or tielabekai, names that connect this little plant to its cultural and ecological roots. As a member of the coffee family (Rubiaceae), it shares some distant relatives with your morning brew, though you definitely wouldn’t want to try making coffee from it!

This herbaceous plant lacks the woody stems you’d find on shrubs or trees, instead putting its energy into softer, more flexible growth that emerges from ground-level buds each growing season.

Where Does Meldii Call Home?

Here’s where things get interesting—and a bit challenging for most gardeners. Meldii is native exclusively to the Pacific Basin, specifically thriving in Guam and Palau. This incredibly limited geographic distribution makes it a true island endemic, meaning it evolved in these specific locations and nowhere else on Earth.

For gardeners in the continental United States, this geographic reality presents some serious obstacles. Plants that evolved in such specific island conditions often struggle to adapt to different climates, soils, and growing conditions found elsewhere.

Should You Try Growing Meldii?

This is where we need to have an honest conversation. While the idea of growing a rare Pacific native might sound appealing, there are several important considerations:

  • Limited availability: You’re unlikely to find meldii at your local nursery or even specialty native plant sales
  • Specific requirements: Island natives often need very particular conditions that are difficult to replicate
  • Conservation concerns: With such a limited native range, any collection should be done responsibly and sustainably
  • Unknown garden performance: There’s little documentation about how this species performs in cultivation

Growing Conditions and Care

Unfortunately, detailed growing information for meldii remains largely undocumented in horticultural literature. What we do know is that as a Pacific island native, it likely prefers:

  • Warm, humid conditions year-round
  • Well-draining soil that doesn’t stay waterlogged
  • Protection from extreme temperature fluctuations
  • Consistent moisture without being soggy

The lack of specific growing guides means anyone attempting to cultivate this plant would be entering uncharted territory—exciting for plant enthusiasts, but risky for the plant’s survival.

A Better Approach: Supporting Pacific Conservation

Rather than trying to grow meldii in your backyard, consider supporting conservation efforts in Palau and Guam where this species naturally belongs. These island ecosystems face numerous pressures, and protecting plants like meldii in their native habitat is often more effective than attempting cultivation elsewhere.

If you’re drawn to the idea of growing Pacific natives, research what species might be more suitable for your climate zone and are available through ethical sources.

The Bigger Picture

Meldii serves as a perfect example of why biodiversity matters and why some plants are better appreciated from afar. Its very existence reminds us that our planet still holds botanical mysteries, especially on remote islands where evolution has crafted unique solutions to specific environmental challenges.

While you might not be able to grow meldii in your garden, you can still appreciate its role in the complex web of Pacific island ecology and support the conservation efforts working to protect these irreplaceable native plant communities.

Sometimes the best way to honor a native plant is to let it thrive where it belongs—and focus our gardening efforts on the native species that can truly flourish in our own local ecosystems.

Meldii

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Ophiorrhiza L. - ophiorrhiza

Species

Ophiorrhiza palauensis Valeton - meldii

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