North America Native Plant

Kanehira’s Glochidion

Botanical name: Glochidion kanehirae

USDA symbol: GLKA

Life cycle: perennial

Habit: shrub

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Phyllanthus kanehirae (Hosok.) W.L. Wagner & Lorence (PHKA11)   

Kanehira’s Glochidion: A Rare Pacific Island Native Worth Knowing About If you’re passionate about native plants and have a particular interest in Pacific island flora, you may have come across the intriguing Kanehira’s glochidion (Glochidion kanehirae). This lesser-known shrub represents the fascinating diversity of plants that call the remote Pacific ...

Kanehira’s Glochidion: A Rare Pacific Island Native Worth Knowing About

If you’re passionate about native plants and have a particular interest in Pacific island flora, you may have come across the intriguing Kanehira’s glochidion (Glochidion kanehirae). This lesser-known shrub represents the fascinating diversity of plants that call the remote Pacific islands home, though it’s not exactly what you’d call a common garden center find.

What Is Kanehira’s Glochidion?

Kanehira’s glochidion is a perennial shrub that belongs to the Phyllanthaceae family. You might also see it listed under its scientific synonym, Phyllanthus kanehirae. Like many island plants, this species has adapted to very specific conditions and represents an important part of its native ecosystem’s biodiversity.

As a shrub, Kanehira’s glochidion typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall. It has the characteristic growth pattern of most shrubs, with several stems emerging from or near the ground level.

Where Does It Call Home?

This plant is native to the Pacific Basin, specifically found in Guam and Palau. These tropical island locations give us important clues about what this plant needs to thrive – warm temperatures, high humidity, and the unique growing conditions found in Pacific island ecosystems.

Should You Try Growing It?

Here’s where things get a bit complicated. While Kanehira’s glochidion is a legitimate native species that deserves our appreciation and protection, it’s not readily available in the nursery trade. This limited availability often indicates that a plant may be rare or difficult to propagate commercially.

If you’re gardening in tropical zones (likely USDA hardiness zones 10-12, based on its native range), you might be tempted to seek out this unique shrub. However, there are several important considerations:

  • Limited cultivation information makes successful growing challenging
  • Potential rarity means any plant material should be responsibly sourced
  • Better-documented native alternatives might be more practical choices

Growing Conditions and Care

While specific growing information for Kanehira’s glochidion is limited, we can make educated guesses based on its native habitat:

  • Warm, tropical temperatures year-round
  • High humidity levels typical of Pacific islands
  • Well-draining soil (island plants often need good drainage)
  • Protection from strong winds, despite being from island locations

Without detailed cultivation guides, growing this plant would be somewhat experimental, requiring patience and careful observation to determine its specific needs.

The Bigger Picture

Sometimes the most valuable plants aren’t the ones we grow in our gardens, but the ones we learn to appreciate in their native habitats. Kanehira’s glochidion serves as a reminder of the incredible plant diversity found on Pacific islands and the importance of conservation efforts in these unique ecosystems.

If you’re interested in supporting Pacific island native plants, consider contributing to conservation organizations working in Guam and Palau, or focus on growing other well-documented native species appropriate for your region.

Alternative Options

If you’re drawn to the idea of growing Pacific island natives or similar shrubs, research other members of the Glochidion genus that may be better documented and more readily available through ethical sources. Always prioritize native plants appropriate for your specific location and climate.

Remember, the best native garden is one filled with plants that are truly native to your area and can be grown successfully while supporting local wildlife and ecosystems.

Kanehira’s Glochidion

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

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Glochidion J.R. Forst. & G. Forst. - glochidion

Species

Glochidion kanehirae Hosok. - Kanehira's glochidion

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