North America Native Plant

Maui Tetramolopium

Botanical name: Tetramolopium arenarium arenarium

USDA symbol: TEARA

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Maui Tetramolopium: A Rare Hawaiian Treasure Worth Protecting Meet the Maui tetramolopium (Tetramolopium arenarium arenarium), a charming little Hawaiian native that’s as rare as it is beautiful. This perennial shrub might be small in stature, but it plays a big role in Hawaii’s unique ecosystem – and unfortunately, it’s fighting ...

Rare plant alert!

Region: Conservation status by state

Status: S1T1: 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) ⚘ 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) ⚘

Maui Tetramolopium: A Rare Hawaiian Treasure Worth Protecting

Meet the Maui tetramolopium (Tetramolopium arenarium arenarium), a charming little Hawaiian native that’s as rare as it is beautiful. This perennial shrub might be small in stature, but it plays a big role in Hawaii’s unique ecosystem – and unfortunately, it’s fighting for survival.

What Makes This Plant Special?

The Maui tetramolopium is a delightful little shrub that typically stays under 4-5 feet tall, making it perfect for smaller garden spaces. What really catches the eye are its sweet daisy-like flowers with bright white petals surrounding sunny yellow centers, set against silvery-green foliage that shimmers in the tropical sun.

This perennial beauty is a multi-stemmed woody plant that usually develops several stems from near the ground, creating a lovely, bushy appearance that adds texture and interest to any landscape.

Where Does It Come From?

This special plant is endemic to Hawaii, meaning you won’t find it growing wild anywhere else on Earth. Specifically, it calls Maui home, where it naturally thrives in sandy coastal areas and dry shrublands.

A Conservation Concern

Here’s where things get serious: the Maui tetramolopium has a Global Conservation Status of S1T1, which means it’s critically imperiled. This little plant is genuinely rare and needs our help to survive. If you’re considering adding this beauty to your garden, you absolutely must source it responsibly from reputable native plant nurseries or conservation programs.

Garden Design and Landscape Role

When grown responsibly, the Maui tetramolopium makes an excellent addition to:

  • Native Hawaiian gardens
  • Coastal landscapes
  • Rock gardens
  • Xeriscaped areas (drought-tolerant landscaping)
  • Ground cover applications

Its compact size and attractive flowers make it perfect for creating naturalistic plantings that celebrate Hawaii’s unique flora while supporting local ecosystems.

Growing Conditions and Care

If you’re lucky enough to source this rare plant responsibly, here’s what it needs to thrive:

Climate: This tropical beauty is suited for USDA hardiness zones 10-11, so it needs consistently warm temperatures year-round.

Sunlight: Give it full sun exposure – this plant loves basking in bright, direct sunlight just like it would on Maui’s coastal areas.

Soil: Well-draining sandy soil is essential. Think beach-like conditions with excellent drainage to prevent root rot.

Water: Once established, this drought-tolerant native requires minimal watering. Overwatering is more likely to harm it than underwatering.

Protection: While it can handle coastal conditions, protect it from extremely strong winds that might damage its delicate stems.

Supporting Pollinators

Those cheerful daisy-like flowers aren’t just pretty – they’re important food sources for native Hawaiian insects and butterflies. By growing this plant (responsibly!), you’re supporting the local pollinator network that’s so crucial for Hawaii’s ecosystem health.

Should You Plant It?

The Maui tetramolopium is absolutely worth growing if you can source it responsibly and you live in an appropriate climate. However, given its critically imperiled status, this isn’t a plant you should buy on impulse. Make sure any nursery you purchase from is participating in legitimate conservation efforts and not depleting wild populations.

If you can’t find responsibly sourced Maui tetramolopium, consider other native Hawaiian plants that might be more readily available while still supporting local ecosystems. Your local native plant society can help you find appropriate alternatives.

Remember: when we choose to grow rare natives like the Maui tetramolopium, we’re not just adding beauty to our gardens – we’re becoming stewards of Hawaii’s irreplaceable natural heritage.

Maui Tetramolopium

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Tetramolopium Nees - tetramolopium

Species

Tetramolopium arenarium (A. Gray) Hillebr. - Maui tetramolopium

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