North America Native Plant

Capitan Mountains Alumroot

Botanical name: Heuchera woodsiaphila

USDA symbol: HEWO2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Capitan Mountains Alumroot: A Botanical Treasure Too Rare for Most Gardens Meet one of New Mexico’s most exclusive native plants – the Capitan Mountains alumroot (Heuchera woodsiaphila). This little perennial herb might not be showing up at your local nursery anytime soon, and for very good reason. It’s what botanists ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Capitan Mountains Alumroot: A Botanical Treasure Too Rare for Most Gardens

Meet one of New Mexico’s most exclusive native plants – the Capitan Mountains alumroot (Heuchera woodsiaphila). This little perennial herb might not be showing up at your local nursery anytime soon, and for very good reason. It’s what botanists call critically imperiled, which is a fancy way of saying it’s hanging on by a thread in the wild.

What Makes This Plant So Special?

The Capitan Mountains alumroot belongs to the beloved Heuchera family – you know, those coral bells that gardeners go crazy for. Like its more common cousins, this native beauty is a perennial forb (that’s botanist-speak for a non-woody flowering plant) with the characteristic rounded, lobed leaves that make Heucheras so recognizable.

What sets this particular alumroot apart is its incredible exclusivity. We’re talking about a plant that exists in fewer than five locations worldwide, with less than 1,000 individual plants total. That’s rarer than finding a four-leaf clover in your backyard!

Where Does It Call Home?

This botanical gem is what we call an endemic species – it’s found naturally in only one place on Earth: the Capitan Mountains of New Mexico. Talk about being a homebody! This mountain range has created the perfect (and apparently very specific) conditions that this little alumroot needs to survive.

Should You Try Growing It?

Here’s where we need to have a heart-to-heart. While the Capitan Mountains alumroot is undoubtedly a fascinating native plant, it’s not one you should be adding to your shopping list. Here’s why:

  • With its S1 conservation status, every plant in the wild is precious
  • It has very specific habitat requirements that are difficult to replicate
  • Collecting from wild populations could push it closer to extinction
  • It’s likely not available through legitimate commercial sources

If you’re drawn to this plant because of its rarity and native status, the most responsible thing you can do is appreciate it from afar and support conservation efforts in its native habitat.

Better Alternatives for Your Garden

Don’t worry – you can still get your Heuchera fix with other native options! Consider these alternatives that won’t put rare species at risk:

  • Common alumroot (Heuchera americana) – widely available and native to eastern North America
  • Small-flowered alumroot (Heuchera parviflora) – another southwestern native that’s less imperiled
  • Coral bells cultivars derived from native species

Supporting Conservation

If the Capitan Mountains alumroot has captured your imagination, channel that enthusiasm into conservation action. Support organizations working to protect rare native plants, participate in habitat restoration projects, or simply spread the word about the importance of preserving our botanical heritage.

Sometimes the best way to love a plant is to leave it alone – and the Capitan Mountains alumroot is definitely one of those times. By choosing more common native alternatives for our gardens, we can enjoy the beauty of native plants while helping ensure that rarities like this one continue to thrive in their mountain home.

Growing Conditions (For Research Purposes Only)

While we don’t recommend attempting to grow this species, understanding its needs helps us appreciate why it’s so rare. The Capitan Mountains alumroot likely thrives in:

  • Well-draining, rocky soils typical of mountain environments
  • Partial shade to dappled sunlight
  • Cool, montane climate conditions
  • USDA hardiness zones 6-8 (estimated based on native habitat)

Remember, the best garden is one that celebrates native plants while respecting the boundaries of conservation. There are plenty of beautiful, readily available native options that can bring the magic of wild spaces to your backyard without putting rare species at risk.

Capitan Mountains Alumroot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Saxifragaceae Juss. - Saxifrage family

Genus

Heuchera L. - alumroot

Species

Heuchera woodsiaphila P.J. Alexander - Capitan Mountains alumroot

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