North America Native Plant

Kulsill

Botanical name: Myrsine palauensis

USDA symbol: MYPA7

Life cycle: perennial

Habit: tree

Native status: Native to Pacific Basin excluding Hawaii  

Kulsill: A Hidden Gem of the Pacific Islands If you’re passionate about native plants and happen to garden in the tropical Pacific, you might want to get acquainted with kulsill (Myrsine palauensis). This lesser-known native tree represents the unique flora of the Pacific Basin, though you won’t find much written ...

Kulsill: A Hidden Gem of the Pacific Islands

If you’re passionate about native plants and happen to garden in the tropical Pacific, you might want to get acquainted with kulsill (Myrsine palauensis). This lesser-known native tree represents the unique flora of the Pacific Basin, though you won’t find much written about it in your typical gardening guides.

What Exactly is Kulsill?

Kulsill is a perennial tree native to the Pacific Islands, specifically found in its natural habitat in Palau and Guam. As a member of the Myrsine genus, it’s part of a fascinating group of plants that have adapted to island life over thousands of years. While it may not be the showiest plant in your garden, it carries the important distinction of being a true native species in regions where authentic local flora is increasingly rare.

Where Does Kulsill Grow Naturally?

This native beauty calls the Pacific Basin home, with natural populations documented in Guam and Palau. It’s perfectly adapted to the unique conditions of these tropical islands, having evolved alongside the local ecosystem for generations.

Why Consider Planting Kulsill?

Here’s where things get interesting – and a bit challenging. Kulsill represents an opportunity to support authentic Pacific island biodiversity, but it’s also one of those plants that hasn’t made it into mainstream horticulture. If you’re gardening in Guam, Palau, or similar tropical Pacific locations, choosing kulsill means:

  • Supporting native biodiversity in your landscape
  • Growing a plant perfectly adapted to local conditions
  • Contributing to the preservation of indigenous flora
  • Creating habitat that local wildlife recognizes and can use

Growing Conditions and Care

Here’s where we hit a bit of a wall – detailed cultivation information for kulsill is surprisingly scarce. What we do know is that as a native Pacific island tree, it likely thrives in:

  • Tropical climates (USDA zones 11-12)
  • Well-draining soils typical of island environments
  • Conditions similar to other Pacific native plants
  • Areas with consistent warmth and humidity

The lack of detailed growing information actually tells us something important about this plant – it’s either quite rare or hasn’t been widely cultivated outside its native range.

A Word of Caution About Sourcing

If you’re interested in growing kulsill, sourcing could be your biggest challenge. With limited cultivation information available, this plant may be rare or difficult to obtain. If you do find it available, make sure you’re purchasing from reputable sources who can verify the plant’s origin and ensure you’re not contributing to any collection pressure on wild populations.

The Bottom Line

Kulsill represents something special in the plant world – a native species that’s managed to stay relatively under the radar. While we can’t give you detailed growing guides or promise it’ll be the star of your garden, we can tell you that choosing native plants like kulsill is always a step in the right direction for supporting local ecosystems.

If you’re gardening in the Pacific islands and can source kulsill responsibly, it’s worth considering as part of a native plant garden. Just don’t expect to find it at your local nursery – this one’s for the dedicated native plant enthusiasts who value ecological authenticity over flashy blooms.

Kulsill

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

Primulales

Family

Myrsinaceae R. Br. - Myrsine family

Genus

Myrsine L. - colicwood

Species

Myrsine palauensis (Mez) Fosberg & Sachet - kulsill

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