North America Native Plant

Omechidel

Botanical name: Rauvolfia insularis

USDA symbol: RAIN8

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Omechidel: A Rare Pacific Island Native Worth Knowing If you’re passionate about native Pacific island plants, you’ve likely stumbled across some pretty unique species in your gardening journey. Today, let’s talk about one that might not be on your radar yet: omechidel (Rauvolfia insularis), a fascinating native tree that calls ...

Omechidel: A Rare Pacific Island Native Worth Knowing

If you’re passionate about native Pacific island plants, you’ve likely stumbled across some pretty unique species in your gardening journey. Today, let’s talk about one that might not be on your radar yet: omechidel (Rauvolfia insularis), a fascinating native tree that calls the western Pacific home.

What Is Omechidel?

Omechidel is a perennial tree species that’s part of the dogbane family (Apocynaceae). This isn’t your typical backyard shade tree – it’s a true Pacific island native that can grow quite impressively, typically reaching heights of 13 to 16 feet or more. Under certain environmental conditions, some specimens might develop a more compact, multi-stemmed growth habit, staying under 13 feet tall.

Where Does Omechidel Naturally Grow?

This tree is native to the Pacific Basin region, specifically found growing naturally in Guam and Palau. It’s perfectly adapted to the unique climate and growing conditions of these tropical Pacific islands, making it a true representation of the region’s natural flora.

Should You Plant Omechidel in Your Garden?

Here’s where things get a bit tricky – and honestly, pretty intriguing. While omechidel is clearly a legitimate native species with an important ecological role in its home range, detailed information about cultivation, growing requirements, and garden performance is surprisingly scarce. This could mean a few things:

  • It might be challenging to grow outside its native range
  • It could be relatively uncommon in cultivation
  • Specific growing requirements haven’t been well-documented

What We Know About Growing Omechidel

As a tropical Pacific native, omechidel likely thrives in warm, humid conditions similar to its natural habitat in Guam and Palau. However, without detailed cultivation information, it’s difficult to provide specific guidance on soil preferences, water needs, or cold tolerance.

If you’re interested in growing this unique native, your best bet would be to:

  • Contact local botanical gardens or native plant societies in the Pacific region
  • Seek out specialty nurseries that focus on Pacific island natives
  • Connect with local experts who have experience with Rauvolfia species

The Bottom Line

Omechidel represents one of those fascinating native plants that reminds us how much we still have to learn about our natural world. While it may not be the easiest tree to find or grow, it’s exactly these kinds of species that make native gardening such an exciting adventure.

If you’re lucky enough to live in or near its native range and can source it responsibly, omechidel could be a wonderful addition to a native Pacific island landscape. Just remember – with great native plants comes great responsibility to research proper growing methods and ensure you’re not contributing to any conservation concerns.

For most gardeners outside the Pacific region, focusing on locally native alternatives might be more practical and ecologically beneficial. But hey, there’s nothing wrong with adding omechidel to your plants I’d love to see in person list!

Omechidel

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

Gentianales

Family

Apocynaceae Juss. - Dogbane family

Genus

Rauvolfia L. - devil's-pepper

Species

Rauvolfia insularis Markgr. - omechidel

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