North America Native Plant

‘ekoko

Botanical name: Chamaesyce celastroides var. kaenana

USDA symbol: CHCEK

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Chamaesyce celastroides (Boiss.) Croizat & O. Deg. var. niuensis (Sherff) O. Deg. & I. Deg. (CHCEN2)  âš˜  Euphorbia celastroides Boiss. var. kaenana Sherff (EUCEK)  âš˜  Euphorbia celastroides Boiss. var. niuensis Sherff (EUCEN3)   

‘Ekoko: A Rare Hawaiian Native Worth Protecting in Your Garden Meet ‘ekoko (Chamaesyce celastroides var. kaenana), a remarkable Hawaiian native plant that deserves a special place in conservation-minded gardens. This unique shrub represents more than just another pretty face in the landscape – it’s a living piece of Hawaii’s natural ...

Rare plant alert!

Region: United States

Status: S3T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

‘Ekoko: A Rare Hawaiian Native Worth Protecting in Your Garden

Meet ‘ekoko (Chamaesyce celastroides var. kaenana), a remarkable Hawaiian native plant that deserves a special place in conservation-minded gardens. This unique shrub represents more than just another pretty face in the landscape – it’s a living piece of Hawaii’s natural heritage that needs our help to survive.

What Makes ‘Ekoko Special?

‘Ekoko is a perennial shrub that’s exclusively native to Hawaii, making it a true island endemic. As a member of the spurge family, this multi-stemmed woody plant typically grows to less than 13-16 feet in height, though it can vary depending on environmental conditions. What makes this plant particularly noteworthy is its rarity – ‘ekoko is currently listed as Endangered, making it one of Hawaii’s most precious botanical treasures.

Where Does ‘Ekoko Grow?

This special plant calls Hawaii home and is found nowhere else on Earth. Its limited distribution makes every individual plant incredibly valuable for the species’ survival.

Why You Should Consider ‘Ekoko (With Important Caveats)

Here’s where things get serious, fellow gardeners. While ‘ekoko would make a wonderful addition to any Hawaiian native plant garden, its endangered status means we need to be extremely thoughtful about how we approach growing it.

The Conservation Reality

Important: Due to its endangered status, ‘ekoko should only be planted using responsibly sourced material. This means:

  • Purchase only from reputable native plant nurseries
  • Ensure plants are nursery-propagated, not wild-collected
  • Verify the source supports conservation efforts
  • Consider participating in native plant restoration projects

Growing ‘Ekoko: What We Know

Unfortunately, detailed growing information for this specific variety is limited due to its rarity. However, as a Hawaiian native shrub, it likely prefers:

  • Well-draining soil conditions
  • Climate conditions similar to its natural Hawaiian habitat
  • Minimal water once established (many Hawaiian natives are drought-tolerant)

The Bigger Picture

Growing ‘ekoko isn’t just about adding a unique plant to your garden – it’s about participating in conservation. Every responsibly grown ‘ekoko plant represents hope for the species’ future. If you’re passionate about Hawaiian native plants but can’t source ‘ekoko responsibly, consider other Hawaiian natives that are more readily available and can provide similar ecological benefits.

Garden Design Considerations

As a shrub that can reach up to 16 feet, ‘ekoko would work well as:

  • A focal point in native plant gardens
  • Part of a Hawaiian heritage landscape
  • A component in restoration-focused plantings
  • An educational specimen for botanical enthusiasts

The Bottom Line

‘Ekoko represents the intersection of gardening and conservation. While its endangered status means it’s not a casual garden addition, for dedicated native plant enthusiasts with access to responsibly sourced plants, it offers a chance to participate in preserving Hawaii’s unique botanical heritage. If you’re lucky enough to grow this rare beauty, you’ll be doing more than gardening – you’ll be helping save a species.

Remember: with great plants comes great responsibility. Choose native, choose responsibly, and help keep Hawaii’s natural treasures thriving for future generations.

‘ekoko

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

Chamaesyce Gray - sandmat

Species

Chamaesyce celastroides (Boiss.) Croizat & O. Deg. - 'ekoko

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