North America Native Plant

Sharpleaf Buttercup

Botanical name: Ranunculus acriformis var. acriformis

USDA symbol: RAACA2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Ranunculus acriformis A. Gray var. typicus L.D. Benson (RAACT)   

Sharpleaf Buttercup: A Hidden Gem of the Rocky Mountain West If you’re looking to add authentic regional character to your Rocky Mountain garden, the sharpleaf buttercup (Ranunculus acriformis var. acriformis) might just be the native wildflower you never knew you needed. This unassuming perennial represents the kind of specialized beauty ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 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. ⚘

Sharpleaf Buttercup: A Hidden Gem of the Rocky Mountain West

If you’re looking to add authentic regional character to your Rocky Mountain garden, the sharpleaf buttercup (Ranunculus acriformis var. acriformis) might just be the native wildflower you never knew you needed. This unassuming perennial represents the kind of specialized beauty that makes native gardening so rewarding – it’s perfectly adapted to its high-altitude home and offers a genuine slice of Western wilderness.

What Makes Sharpleaf Buttercup Special

The sharpleaf buttercup belongs to the diverse buttercup family, but don’t expect the typical bright yellow blooms you might associate with common buttercups. This native forb – that’s botanist speak for a non-woody flowering plant – has carved out its own niche in the challenging environments of Colorado and Wyoming.

As a perennial, this buttercup returns year after year, developing a deeper root system that helps it survive harsh mountain winters and dry summers. Its growth habit as a forb means it stays relatively low to the ground, making it an excellent choice for naturalized areas and wildflower meadows.

Where You’ll Find It Growing Wild

Sharpleaf buttercup is native exclusively to Colorado and Wyoming, making it a true regional specialist. This limited range means you’re growing something genuinely local if you garden in these states – a plant that has been thriving in your specific climate for thousands of years.

Should You Plant Sharpleaf Buttercup?

Here’s where things get interesting. This native buttercup has a conservation status that suggests it’s not extremely common in the wild. That makes it both special and something to approach thoughtfully. If you’re passionate about supporting local biodiversity and preserving regional plant heritage, sharpleaf buttercup could be a meaningful addition to your garden.

Reasons to consider planting it:

  • Supports local ecosystem health as a native species
  • Adapted to regional climate conditions
  • Contributes to preserving genetic diversity of native plants
  • Adds authentic local character to naturalized areas
  • Likely provides nectar for native pollinators

Important considerations:

  • Limited availability due to its specialized range
  • Conservation status suggests responsible sourcing is essential
  • May require specific growing conditions that aren’t well documented
  • Best suited for gardeners committed to native plant conservation

Growing Sharpleaf Buttercup Successfully

Unfortunately, detailed cultivation information for this specific variety is scarce, which isn’t unusual for highly specialized native plants. However, we can make some educated guesses based on its native habitat and related species.

Given its natural range in Colorado and Wyoming, sharpleaf buttercup likely prefers:

  • Well-draining soils (mountain plants rarely tolerate soggy conditions)
  • Full sun to partial shade
  • Cool, moist springs followed by drier summers
  • Rocky or gravelly soil conditions
  • Cold winter temperatures for proper dormancy

The Responsible Approach

If you’re determined to grow sharpleaf buttercup, please source your plants or seeds responsibly. Never collect from wild populations, especially given its conservation status. Instead:

  • Contact native plant societies in Colorado or Wyoming
  • Work with specialized native plant nurseries
  • Participate in seed collection programs if available
  • Consider growing it as part of habitat restoration efforts

Alternative Native Buttercups

If sharpleaf buttercup proves too challenging to source, consider other native Ranunculus species in your area. Many regions have their own native buttercups that are easier to obtain and equally valuable for supporting local ecosystems.

The sharpleaf buttercup represents the fascinating world of highly specialized native plants – species that have evolved to thrive in very specific conditions and contribute to the unique character of their regions. While it may not be the easiest native plant to grow, it offers dedicated native gardeners the opportunity to participate in preserving something truly special.

Sharpleaf Buttercup

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Ranunculus L. - buttercup

Species

Ranunculus acriformis A. Gray - sharpleaf buttercup

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