North America Native Plant

Alpine Tetramolopium

Botanical name: Tetramolopium humile humile var. humile

USDA symbol: TEHUH3

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Tetramolopium humile (A. Gray) Hillebr. var. skottsbergii Sherff (TEHUS)   

Alpine Tetramolopium: A Rare Hawaiian Mountain Gem for Your Native Garden If you’re passionate about Hawaiian native plants and love the idea of bringing a piece of the islands’ high-altitude magic to your garden, let me introduce you to alpine tetramolopium (Tetramolopium humile humile var. humile). This charming little shrub ...

Rare plant alert!

Region: Conservation status by state

Status: S3T3: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Subspecies or variety is 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. ⚘

Alpine Tetramolopium: A Rare Hawaiian Mountain Gem for Your Native Garden

If you’re passionate about Hawaiian native plants and love the idea of bringing a piece of the islands’ high-altitude magic to your garden, let me introduce you to alpine tetramolopium (Tetramolopium humile humile var. humile). This charming little shrub might not be the flashiest plant in the native gardening world, but it’s got character – and a pretty important conservation story to tell.

What Makes Alpine Tetramolopium Special?

Alpine tetramolopium is a true Hawaiian native, found exclusively in the beautiful island state. This perennial shrub belongs to that wonderful group of plants that have adapted to life in Hawaii’s unique mountain environments. As a multi-stemmed woody plant, it typically stays compact, usually growing less than 13-16 feet tall, making it a manageable choice for home gardens.

Where Does It Come From?

This little beauty calls Hawaii home and nowhere else on Earth. It’s what botanists call an endemic species – meaning it evolved specifically in Hawaiian ecosystems and can’t be found growing wild anywhere else. Alpine tetramolopium has adapted to thrive in Hawaii’s high-elevation environments, which tells us a lot about what it might need in our gardens.

A Word About Conservation

Here’s where things get important: alpine tetramolopium has a Global Conservation Status of S3T3, which means it’s considered somewhat rare and potentially vulnerable. This isn’t necessarily cause for panic, but it does mean we need to be thoughtful gardeners if we’re considering adding this plant to our landscapes.

If you’re interested in growing alpine tetramolopium, please make sure you’re sourcing it responsibly. This means:

  • Only purchasing from reputable native plant nurseries
  • Never collecting plants from the wild
  • Supporting nurseries that propagate from ethically sourced seed or cuttings
  • Consider this plant as part of a broader commitment to Hawaiian native plant conservation

Why Consider Alpine Tetramolopium for Your Garden?

While we don’t have extensive information about this plant’s specific horticultural needs (which is common with many rare native species), there are compelling reasons to consider it if you’re creating a Hawaiian native garden:

  • It’s a true piece of Hawaiian natural heritage
  • As a perennial shrub, it provides lasting structure to your landscape
  • Growing rare natives helps support conservation efforts
  • It connects your garden to Hawaii’s unique mountain ecosystems

Growing Challenges and Considerations

Let’s be honest – alpine tetramolopium probably isn’t the easiest plant to grow, and that’s okay! Its natural habitat in Hawaii’s high-elevation areas suggests it has specific requirements that might be challenging to replicate in typical garden settings. Unfortunately, detailed growing information for this particular variety is limited, which is often the case with rare native species.

If you’re determined to try growing alpine tetramolopium, your best bet is to connect with Hawaiian native plant societies, botanical gardens, or specialized nurseries that work with rare Hawaiian natives. They’ll have the most up-to-date information about cultivation requirements and availability.

The Bottom Line

Alpine tetramolopium represents something special in the world of native plants – it’s a living piece of Hawaiian natural history that deserves our respect and protection. While it might not be the easiest plant to grow or find, it offers something invaluable: a connection to Hawaii’s unique mountain ecosystems and a chance to participate in conservation through gardening.

If you’re new to Hawaiian native plants, you might want to start with more readily available and easier-to-grow natives while you learn about the specific needs of rare species like alpine tetramolopium. But if you’re up for a challenge and committed to responsible sourcing, this little mountain shrub could become a treasured part of your native plant collection.

Remember, every native plant we grow thoughtfully is a small act of conservation – and in a world where rare species face increasing pressures, that’s pretty amazing.

Alpine 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 humile (A. Gray) Hillebr. - alpine tetramolopium

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