North America Native Plant

Kaala Stenogyne

Botanical name: Stenogyne kaalae sherffii

USDA symbol: STKAS

Life cycle: perennial

Habit: vine

Native status: Native to Hawaii  

Synonyms: Stenogyne sherffii O. Deg. (STSH)   

Kaala Stenogyne: A Rare Hawaiian Treasure Worth Protecting Meet the Kaala stenogyne (Stenogyne kaalae sherffii), a remarkable little Hawaiian native that’s rarer than a perfectly sunny day during Hawaii’s rainy season. This unassuming perennial herb might not win any flashy flower contests, but it holds a special place in Hawaii’s ...

Rare plant alert!

Region: United States

Status: S2TH: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Kaala Stenogyne: A Rare Hawaiian Treasure Worth Protecting

Meet the Kaala stenogyne (Stenogyne kaalae sherffii), a remarkable little Hawaiian native that’s rarer than a perfectly sunny day during Hawaii’s rainy season. This unassuming perennial herb might not win any flashy flower contests, but it holds a special place in Hawaii’s unique botanical heritage – and unfortunately, it’s fighting for survival.

What Makes This Plant Special?

The Kaala stenogyne is what botanists call a forb herb – essentially a soft-stemmed perennial plant without woody tissue. Think of it as nature’s version of a delicate wildflower, perfectly adapted to its Hawaiian home. This little plant belongs exclusively to the Hawaiian Islands, making it a true endemic species that exists nowhere else on Earth.

You might also see this plant referenced by its synonym, Stenogyne sherffii, but regardless of what you call it, this species represents the incredible botanical diversity that makes Hawaii’s flora so unique.

Where Does It Call Home?

As its name suggests, the Kaala stenogyne is closely associated with Hawaii’s mountainous regions. This native Hawaiian species has evolved specifically within the island ecosystem, developing over thousands of years to thrive in its particular niche.

The Conservation Reality Check

Here’s where things get serious, fellow plant enthusiasts. The Kaala stenogyne carries an endangered status, which means this species is hanging by a thread in the wild. With a Global Conservation Status of S2TH, this plant faces significant threats to its survival.

What does this mean for gardeners? Simply put, this isn’t a plant you should be seeking out for your garden. Even if you could find it (which you likely can’t through normal channels), cultivating endangered species requires specialized knowledge, permits, and resources that most home gardeners simply don’t have access to.

Why You Should Care (Even If You Can’t Grow It)

You might be wondering why we’re talking about a plant you can’t actually grow. Here’s the thing – understanding and appreciating rare native species like the Kaala stenogyne helps us:

  • Recognize the importance of habitat conservation
  • Support native plant conservation efforts
  • Make better choices about which plants to include in our own gardens
  • Appreciate the incredible diversity of Hawaii’s endemic flora

What Can You Do Instead?

If you’re inspired by Hawaii’s native plants and want to support conservation efforts, consider these alternatives:

  • Choose other Hawaiian native plants that are more readily available and not endangered
  • Support local native plant societies and conservation organizations
  • Learn about habitat restoration efforts in Hawaii
  • Advocate for the protection of native Hawaiian ecosystems

The Bigger Picture

The story of the Kaala stenogyne is unfortunately common among Hawaii’s native plants. Many species face threats from habitat loss, invasive species, and climate change. While we can’t all grow endangered plants in our backyards, we can all play a role in supporting conservation efforts and choosing native plants that help support local ecosystems.

Every garden is an opportunity to create habitat, support native wildlife, and contribute to conservation – even if it doesn’t include the rarest species. Sometimes the best way to honor plants like the Kaala stenogyne is to protect the places where they can continue to thrive naturally.

So while you won’t find Kaala stenogyne at your local nursery (and that’s actually a good thing), you can still be part of the solution by making thoughtful, conservation-minded choices in your own garden space.

Kaala Stenogyne

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Stenogyne Benth. - stenogyne

Species

Stenogyne kaalae Wawra - Kaala stenogyne

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