Native Plants

Greenflower Indian Mallow

Abutilon sandwicense

USDA symbol: ABSA2

perennial shrub

Hawaii: native

Meet the greenflower Indian mallow (Abutilon sandwicense), one of Hawaii’s most endangered native shrubs. This little-known plant might not win any beauty contests, but it holds a special place in Hawaiian ecosystems and the hearts of conservation-minded gardeners. The greenflower Indian mallow is a perennial shrub that’s endemic to Hawaii, ...

Greenflower Indian Mallow may be listed as rare in your area.
Global Conservation Status

Status: S1 | Critically imperiled: Typically 5 or fewer occurrences or under 1,000 remaining individuals.

United States

Status: Endangered | Endangered. In danger of extinction throughout all or a significant portion of its range.

Greenflower Indian Mallow: A Rare Hawaiian Treasure Worth Protecting

Meet the greenflower Indian mallow (Abutilon sandwicense), one of Hawaii’s most endangered native shrubs. This little-known plant might not win any beauty contests, but it holds a special place in Hawaiian ecosystems and the hearts of conservation-minded gardeners.

What Makes This Plant Special?

The greenflower Indian mallow is a perennial shrub that’s endemic to Hawaii, meaning it exists nowhere else on Earth. This multi-stemmed woody plant typically grows to about 13-16 feet tall, though it can vary depending on growing conditions. Its heart-shaped leaves and small, inconspicuous greenish-yellow flowers give it a subtle charm that speaks to those who appreciate understated native beauty.

Where Does It Grow?

This rare shrub is found exclusively in Hawaii, scattered across several of the islands. Unfortunately, its populations have become critically small due to habitat loss and other environmental pressures.

  • Species observed
  • No observations

A Plant on the Brink

Here’s where things get serious: the greenflower Indian mallow is listed as Endangered and has a Global Conservation Status of S1, meaning it’s critically imperiled. With typically five or fewer occurrences and very few remaining individuals (fewer than 1,000), this plant is teetering on the edge of extinction.

What does this mean for gardeners? If you’re considering growing this plant, you’re not just adding another shrub to your landscape – you’re potentially participating in conservation efforts to save a species.

Should You Grow Greenflower Indian Mallow?

The short answer: only if you’re truly committed to conservation and can source it responsibly. This isn’t a plant for casual gardeners or impulse buyers. Here’s why you might want to consider it:

  • You’re passionate about Hawaiian native plants and conservation
  • You have experience growing rare or challenging plants
  • You can obtain plants or seeds from reputable conservation organizations
  • You’re creating a native Hawaiian garden or restoration project

Important: Never collect plants or seeds from wild populations. Always work with botanical gardens, conservation organizations, or certified native plant societies to obtain responsibly sourced material.

Growing Conditions and Care

If you’re committed to growing this rare beauty, here’s what you need to know:

  • Climate: USDA hardiness zones 10-11 (tropical to subtropical)
  • Light: Partial shade to full sun
  • Soil: Well-draining soil is essential
  • Water: Moderate watering needs
  • Space: Allow room for a shrub that can reach 13-16 feet

Given its rarity, this plant may require specialized care techniques that are best learned from experienced growers or conservation programs.

The Bigger Picture

While the greenflower Indian mallow may not be the showiest plant in your garden, growing it connects you to something much larger – the preservation of Hawaii’s unique flora. Every plant grown in cultivation represents hope for the species’ survival and potential future restoration efforts.

If you’re not ready to take on the responsibility of growing this endangered species, consider supporting Hawaiian native plant conservation in other ways: donate to botanical gardens, participate in habitat restoration projects, or choose other native Hawaiian plants that are less critically endangered.

Sometimes the most rewarding plants to grow are the ones that challenge us to be better gardeners and better stewards of our natural world.

Abutilon sandwicense is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Abutilon sandwicense is also known as:

Abortopetalum sandwicense | USDA symbol: ABSA4
Abutilon sandwicense var. welchii | USDA symbol: ABSAW

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Malvales
Family: Malvaceae Juss. - Mallow family
Genus: Abutilon Mill. - Indian mallow

Species: Abutilon sandwicense (O. Deg.) Christoph. - greenflower Indian mallow

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