North America Native Plant

Alpine Cancer-root

Botanical name: Conopholis alpina

USDA symbol: COAL6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Alpine Cancer-Root: A Fascinating But Uncultivatable Native Wildflower If you’ve ever wandered through the high-elevation forests of the American Southwest and stumbled upon strange, pale yellowish spikes poking up from the forest floor, you might have encountered the mysterious alpine cancer-root (Conopholis alpina). This unusual native perennial is one of ...

Alpine Cancer-Root: A Fascinating But Uncultivatable Native Wildflower

If you’ve ever wandered through the high-elevation forests of the American Southwest and stumbled upon strange, pale yellowish spikes poking up from the forest floor, you might have encountered the mysterious alpine cancer-root (Conopholis alpina). This unusual native perennial is one of nature’s more enigmatic plants – and definitely not your typical garden variety flower!

What Makes Alpine Cancer-Root So Unusual?

Alpine cancer-root is what botanists call a parasitic plant, which means it doesn’t play by the usual plant rules. Unlike most plants that create their own food through photosynthesis, this clever species has evolved to tap into the root systems of trees – particularly conifers – to get all the nutrients it needs. That’s why you’ll never see typical green leaves on this plant; it simply doesn’t need them!

The plant appears as thick, fleshy, yellowish-brown to purplish spikes that emerge directly from the ground, typically reaching 4-8 inches tall. These unusual flowering structures might look a bit alien compared to your typical garden blooms, but they’re perfectly adapted for their specialized lifestyle.

Where You’ll Find This Native Beauty

As a native species to the lower 48 states, alpine cancer-root calls the mountainous regions of Arizona, Colorado, New Mexico, and Texas home. It thrives in high-elevation coniferous forests, typically between 7,000-11,000 feet, where it forms its underground connections with host trees.

The Garden Reality Check

Here’s where we need to have an honest conversation: despite being a fascinating native plant, alpine cancer-root simply cannot be grown in your garden. Its parasitic lifestyle means it requires specific host trees and complex underground relationships that are impossible to replicate in a typical landscape setting. Even if you could somehow establish the right conditions, attempting to cultivate parasitic plants can harm the host trees.

Supporting Native Plants in Your Garden Instead

While you can’t grow alpine cancer-root itself, you can certainly support the native plant communities of the Southwest with these garden-friendly alternatives:

  • Rocky Mountain Penstemon – Beautiful purple-blue flowers that attract pollinators
  • Blanket Flower (Gaillardia) – Bright, daisy-like blooms in orange and red
  • Native Columbines – Delicate, spurred flowers in various colors
  • Indian Paintbrush – Vibrant red-orange bracts that add dramatic color

Appreciating Alpine Cancer-Root in the Wild

The best way to enjoy alpine cancer-root is to appreciate it during hiking adventures in its natural habitat. If you’re lucky enough to spot these unusual plants during late spring or early summer blooming season, take a moment to marvel at nature’s ingenuity. This plant represents millions of years of evolution that led to a completely different survival strategy – one that reminds us how diverse and creative the plant kingdom can be.

Conservation Considerations

While alpine cancer-root isn’t currently listed as rare or endangered, its specialized habitat requirements make it vulnerable to climate change and habitat disruption. By supporting conservation efforts in high-elevation ecosystems and choosing native plants for our gardens, we can help protect the delicate mountain environments where species like alpine cancer-root thrive.

So while you won’t be adding alpine cancer-root to your garden wish list, you can certainly appreciate it as one of nature’s most interesting evolutionary experiments – and use it as inspiration to explore the many wonderful native plants that can thrive in your landscape!

Alpine Cancer-root

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

Scrophulariales

Family

Orobanchaceae Vent. - Broom-rape family

Genus

Conopholis Wallr. - cancer-root

Species

Conopholis alpina Liebm. - alpine cancer-root

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