North America Native Plant

Na Pali Sandmat

Botanical name: Chamaesyce eleanoriae

USDA symbol: CHEL7

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Na Pali Sandmat: A Rare Hawaiian Treasure for Your Coastal Garden Meet the Na Pali sandmat (Chamaesyce eleanoriae), one of Hawaii’s most precious native plants that’s teetering on the edge of extinction. This little shrub might not win any popularity contests on the mainland, but for those lucky enough to ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Na Pali Sandmat: A Rare Hawaiian Treasure for Your Coastal Garden

Meet the Na Pali sandmat (Chamaesyce eleanoriae), one of Hawaii’s most precious native plants that’s teetering on the edge of extinction. This little shrub might not win any popularity contests on the mainland, but for those lucky enough to garden in Hawaii’s unique climate, it represents something truly special – a living piece of the islands’ natural heritage.

What Makes Na Pali Sandmat Special?

Na Pali sandmat is a perennial shrub that belongs to Hawaii’s exclusive club of endemic plants – species found nowhere else on Earth. This hardy little survivor typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall, though it often remains much smaller in its natural coastal habitat.

The plant gets its name from its connection to Hawaii’s dramatic Na Pali coast, where it has adapted to some of the most challenging growing conditions imaginable. Think salt spray, intense sun, and rocky, well-draining soils – this plant has learned to thrive where others would simply give up.

Where Does It Call Home?

Na Pali sandmat is found exclusively in Hawaii, making it a true island endemic. Its natural habitat includes coastal areas where it has evolved alongside other native Hawaiian species over thousands of years.

A Critical Conservation Alert

Before you start planning your garden around this plant, here’s something crucial you need to know: Na Pali sandmat has a Global Conservation Status of S1, meaning it’s critically imperiled. With typically 5 or fewer known occurrences and fewer than 1,000 individuals remaining in the wild, this plant is hanging on by a thread.

If you’re considering adding Na Pali sandmat to your landscape, please only source it from reputable native plant nurseries that propagate from ethically collected seeds or cuttings. Never collect from wild populations – every single plant in nature is precious for the species’ survival.

Garden Role and Landscape Design

Despite its rarity, Na Pali sandmat can play several valuable roles in appropriate Hawaiian landscapes:

  • Coastal erosion control: Its natural adaptation to harsh coastal conditions makes it excellent for stabilizing slopes and sandy soils
  • Native habitat restoration: Perfect for recreating authentic Hawaiian coastal ecosystems
  • Xeriscaping: Once established, it requires minimal water, making it ideal for drought-tolerant landscapes
  • Educational gardens: A living example of Hawaii’s unique flora for botanical gardens and educational landscapes

Growing Conditions and Care

Na Pali sandmat thrives in USDA hardiness zones 10-12, which essentially means it’s suited for Hawaii’s tropical climate. Here’s what this coastal native prefers:

  • Sunlight: Full sun to partial sun
  • Soil: Well-draining, sandy or rocky soils that mimic coastal conditions
  • Water: Drought tolerant once established; avoid overwatering
  • Salt tolerance: Naturally adapted to salt spray and coastal conditions

Planting and Care Tips

If you’re fortunate enough to obtain responsibly sourced Na Pali sandmat, here’s how to give it the best start:

  • Plant in spring or fall when temperatures are milder
  • Ensure excellent drainage – this plant abhors soggy feet
  • Mulch lightly with gravel or crushed coral rather than organic mulch
  • Water regularly during establishment, then reduce to occasional deep watering
  • Avoid fertilizers – native Hawaiian plants typically prefer lean soils

The Bigger Picture

Growing Na Pali sandmat isn’t just about adding an interesting plant to your landscape – it’s about participating in conservation efforts for one of Hawaii’s rarest species. Every responsibly grown plant represents hope for this species’ future and helps maintain genetic diversity outside of its critically small wild populations.

If you can’t find Na Pali sandmat from reputable sources, consider other native Hawaiian coastal plants that can provide similar landscape benefits while being more readily available. Your local native plant society can point you toward alternatives that won’t put additional pressure on rare species.

A Final Thought

Na Pali sandmat reminds us that sometimes the most beautiful gardens are those that tell a story of place, conservation, and hope. While this little shrub might not have the showiest flowers or the most dramatic foliage, it carries within it thousands of years of Hawaiian natural history – and with our help, it might just carry that story into the future.

Na Pali Sandmat

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 eleanoriae D.H. Lorence & W.L. Wagner - Na Pali sandmat

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