North America Native Plant

Degener’s Argyrautia

Botanical name: ×Argyrautia degeneri

USDA symbol: ARDE4

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Degener’s Argyrautia: A Mysterious Hawaiian Native Worth Knowing About Meet Degener’s argyrautia (×Argyrautia degeneri), one of Hawaii’s most enigmatic native plants. If you’ve never heard of this shrub before, you’re definitely not alone – this perennial beauty is so rare that finding reliable information about it feels like searching for ...

Degener’s Argyrautia: A Mysterious Hawaiian Native Worth Knowing About

Meet Degener’s argyrautia (×Argyrautia degeneri), one of Hawaii’s most enigmatic native plants. If you’ve never heard of this shrub before, you’re definitely not alone – this perennial beauty is so rare that finding reliable information about it feels like searching for buried treasure!

What Makes This Plant Special?

The × symbol at the beginning of its scientific name tells us something fascinating – this is actually a natural hybrid plant. Degener’s argyrautia is a woody shrub that typically grows as a multi-stemmed perennial, usually staying under 13-16 feet tall. Like many Hawaiian natives, it’s perfectly adapted to island life, though the specifics of its preferred growing conditions remain somewhat of a mystery.

Where Does It Call Home?

This plant is exclusively native to Hawaii, making it a true island endemic. However, its exact distribution within the Hawaiian islands is not well-documented, which adds to its mystique and suggests it may be quite rare in the wild.

Should You Try Growing Degener’s Argyrautia?

Here’s where things get tricky – and important. The extreme lack of available information about this plant strongly suggests it’s either extremely rare or possibly extinct in cultivation. This rarity status means that if you’re lucky enough to find it available anywhere, you’d want to ensure it comes from responsibly sourced, ethically propagated stock.

For most Hawaiian gardeners interested in native landscaping, you might want to consider these well-established native alternatives instead:

  • Native Hawaiian hibiscus species
  • ʻŌhiÊ»a lehua (Metrosideros polymorpha)
  • Naupaka (Scaevola species)
  • Native Hawaiian mints (Phyllostegia species)

The Conservation Connection

Plants like Degener’s argyrautia remind us why native plant conservation is so crucial, especially on islands where endemic species face unique pressures. Hawaii has lost many of its native plants to habitat destruction, invasive species, and climate change. When we can’t even find basic growing information about a native plant, it’s often a sign that urgent conservation attention is needed.

What This Means for Your Garden

While you probably won’t be adding Degener’s argyrautia to your shopping list anytime soon, learning about rare natives like this one can deepen your appreciation for the plants that are readily available. Every time you choose a well-documented native Hawaiian plant for your landscape, you’re supporting the broader ecosystem that rare species like this one depend on.

If you’re passionate about Hawaiian native plants, consider connecting with local botanical gardens, native plant societies, or conservation organizations. They often have the most current information about rare species and conservation efforts.

Sometimes the most valuable plants are the ones we can’t easily grow – they remind us of the incredible diversity we’re working to protect and the importance of choosing native plants whenever we can.

Degener’s Argyrautia

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

×Argyrautia Sherff - arhyrautia

Species

×Argyrautia degeneri Sherff [Arygroxiphium grayanum × Dubautia laxa] - Degener's argyrautia

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