North America Native Plant

Plantainleaf Dubautia

Botanical name: Dubautia plantaginea humilis

USDA symbol: DUPLH

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Plantainleaf Dubautia: A Rare Hawaiian Treasure Worth Protecting Meet the plantainleaf dubautia (Dubautia plantaginea humilis), a small but mighty Hawaiian native that’s as special as it is scarce. This charming little shrub might not be the showiest plant in the garden, but what it lacks in size, it makes up ...

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

Plantainleaf Dubautia: A Rare Hawaiian Treasure Worth Protecting

Meet the plantainleaf dubautia (Dubautia plantaginea humilis), a small but mighty Hawaiian native that’s as special as it is scarce. This charming little shrub might not be the showiest plant in the garden, but what it lacks in size, it makes up for in ecological importance and unique island character.

What Makes This Plant Special?

The plantainleaf dubautia is a true Hawaiian endemic, meaning it exists nowhere else on Earth except in the beautiful islands of Hawaii. This perennial shrub typically stays compact, rarely exceeding 4-5 feet in height, with multiple stems arising from the ground. Its distinctive plantain-like leaves give it its common name, while its cheerful yellow daisy-like flowers add a splash of sunshine to Hawaii’s volcanic landscapes.

Where Does It Call Home?

You’ll find this native beauty exclusively in Hawaii, where it has adapted to life on volcanic slopes and in dry forest environments. It’s perfectly at home in the unique growing conditions that only the Hawaiian islands can provide.

A Word of Caution: Rarity Matters

Here’s where things get serious, fellow gardeners. The plantainleaf dubautia carries an Endangered status, making it one of Hawaii’s precious botanical treasures that needs our protection. With a Global Conservation Status of S3T1, this isn’t a plant you can simply pick up at your local nursery.

If you’re considering growing this plant, please ensure any material is responsibly sourced through:

  • Licensed botanical gardens
  • Approved conservation programs
  • Certified native plant societies
  • Official restoration projects

Garden Role and Landscape Potential

For those lucky enough to work with responsibly sourced plantainleaf dubautia, this shrub shines as:

  • A unique accent plant in native Hawaiian gardens
  • Ground cover in xerophytic (dry-loving) landscapes
  • A conversation starter about Hawaiian conservation
  • An educational specimen for botanical collections

Growing Conditions

This hardy little survivor has adapted to some pretty specific conditions:

  • USDA Hardiness Zones: 10-12 (tropical and subtropical climates only)
  • Sunlight: Full sun to partial shade
  • Soil: Well-draining volcanic soils preferred
  • Water: Drought-tolerant once established
  • Climate: Warm, with protection from strong winds

Care Tips for Success

If you’re working with this special plant through proper conservation channels:

  • Start with well-draining soil – soggy roots are its enemy
  • Water regularly during establishment, then scale back
  • Provide some wind protection in exposed areas
  • Consider soil amendments to mimic volcanic conditions
  • Be patient – this isn’t a fast grower

Wildlife and Pollinator Benefits

The plantainleaf dubautia plays an important role in Hawaii’s ecosystem, providing nectar for native Hawaiian insects and some introduced pollinators. Its flowers, while modest, are valuable food sources in the specialized Hawaiian environment.

The Bottom Line

The plantainleaf dubautia represents something bigger than just another garden plant – it’s a living piece of Hawaiian natural heritage that deserves our respect and protection. While most gardeners won’t have the opportunity to grow this endangered beauty, supporting conservation efforts and choosing other native Hawaiian alternatives helps protect species like this for future generations.

If you’re passionate about Hawaiian native plants, consider supporting local conservation organizations or exploring other, more readily available native species that can bring the spirit of Hawaii to your garden while leaving the rare treasures like plantainleaf dubautia in the hands of conservation professionals.

Plantainleaf Dubautia

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

Dubautia Gaudich. - dubautia

Species

Dubautia plantaginea Gaudich. - plantainleaf dubautia

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