North America Native Plant

Littleleaf Alumroot

Botanical name: Heuchera parvifolia var. major

USDA symbol: HEPAM

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Littleleaf Alumroot: A Rare Mountain Gem for High-Altitude Gardens Meet Heuchera parvifolia var. major, commonly known as littleleaf alumroot – a fascinating perennial wildflower that calls the Rocky Mountain region home. This little-known variety represents one of nature’s more elusive treasures, quietly growing in the high country of Colorado and ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is 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) ⚘ 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Littleleaf Alumroot: A Rare Mountain Gem for High-Altitude Gardens

Meet Heuchera parvifolia var. major, commonly known as littleleaf alumroot – a fascinating perennial wildflower that calls the Rocky Mountain region home. This little-known variety represents one of nature’s more elusive treasures, quietly growing in the high country of Colorado and Wyoming.

Where You’ll Find This Mountain Native

Littleleaf alumroot is truly a regional specialty, naturally occurring only in Colorado and Wyoming. As a native species to these states, it has evolved specifically to thrive in the unique conditions of the Rocky Mountain ecosystem. This limited geographic range makes it a special addition for gardeners lucky enough to live within its native territory.

What Makes This Plant Special

As a perennial forb, littleleaf alumroot lacks the woody stems you’d find on shrubs or trees, instead producing soft, herbaceous growth that dies back each winter and returns fresh each spring. True to its name, this variety features smaller leaves compared to other alumroots, giving it a delicate, refined appearance that sets it apart from its more common cousins.

A Word of Caution: Rarity Matters

Here’s where things get interesting – and important. Littleleaf alumroot carries a global conservation status that suggests it may be extremely rare or of uncertain taxonomic standing. This means if you’re considering adding this plant to your garden, you’ll need to be extra thoughtful about sourcing.

Important guidelines for responsible gardening:

  • Only obtain plants from reputable native plant nurseries that can verify ethical propagation
  • Never collect plants from wild populations
  • Consider supporting conservation efforts for rare Rocky Mountain flora
  • Ask your local native plant society about availability and appropriate alternatives

Is This Plant Right for Your Garden?

Given its rarity status and limited information about cultivation requirements, littleleaf alumroot might not be the best choice for beginning native gardeners. However, if you’re an experienced grower with a passion for rare Rocky Mountain natives and access to responsibly sourced material, it could be a unique addition to a specialized collection.

For most gardeners interested in alumroots, consider these more readily available alternatives:

  • Common alumroot (Heuchera americana)
  • Coral bells (Heuchera sanguinea)
  • Other regional Heuchera species appropriate to your area

Supporting Native Plant Conservation

Whether or not you end up growing littleleaf alumroot, you can support the conservation of rare Rocky Mountain natives like this one by:

  • Choosing locally native plants for your landscape
  • Supporting native plant societies and botanical gardens
  • Participating in citizen science projects
  • Advocating for habitat protection in your community

Remember, every native plant – common or rare – plays a vital role in supporting local ecosystems. By making thoughtful choices about what we grow and how we source our plants, we can all be part of preserving these natural treasures for future generations.

Littleleaf 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 parvifolia Nutt. ex Torr. & A. Gray - littleleaf alumroot

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