North America Non-native Plant

Margined Buttercup

Botanical name: Ranunculus marginatus var. marginatus

USDA symbol: RAMAM3

Native status: Not native but doesn't reproduce and persist in the wild

Margined Buttercup: A Mysterious Native Wildflower If you’ve stumbled upon the name margined buttercup (Ranunculus marginatus var. marginatus) in your gardening research, you’re likely dealing with one of botany’s more elusive characters. This particular variety of buttercup seems to fly under the radar, even among plant enthusiasts and native gardening ...

Margined Buttercup: A Mysterious Native Wildflower

If you’ve stumbled upon the name margined buttercup (Ranunculus marginatus var. marginatus) in your gardening research, you’re likely dealing with one of botany’s more elusive characters. This particular variety of buttercup seems to fly under the radar, even among plant enthusiasts and native gardening circles.

What We Know (And Don’t Know)

Here’s where things get interesting – and a bit frustrating for those of us who love detailed plant profiles. Information about Ranunculus marginatus var. marginatus is remarkably scarce. While the Ranunculus genus is well-known for its bright, cheerful buttercup flowers, this specific variety appears to be either extremely rare, regionally specific, or possibly subject to taxonomic uncertainty.

The name margined buttercup suggests this plant likely features the characteristic yellow, glossy petals that make buttercups so recognizable, possibly with some distinctive margin or edge coloring that sets it apart from its more common cousins.

Geographic Distribution

Unfortunately, specific distribution information for this variety remains unknown, making it difficult to determine where gardeners might encounter it naturally or where it would be appropriate to cultivate.

Should You Plant It?

This is where we hit a bit of a roadblock. Without clear information about this plant’s native status, growing requirements, or potential impacts, it’s challenging to make definitive recommendations. Here’s what we suggest:

  • If you’ve encountered this plant name, double-check the identification with local botanists or extension services
  • Consider well-documented native Ranunculus species that are known to thrive in your area
  • Consult regional native plant societies for guidance on local buttercup varieties

Alternative Native Buttercups

While we sort out the mysteries surrounding margined buttercup, there are several well-documented native Ranunculus species that might scratch that buttercup itch in your garden:

  • Consult your local native plant society for regionally appropriate species
  • Work with native plant nurseries that can recommend suitable alternatives
  • Consider other native yellow wildflowers that provide similar aesthetic appeal

The Bottom Line

Sometimes in the plant world, we encounter species that remain tantalizingly mysterious. Ranunculus marginatus var. marginatus appears to be one of those plants. Rather than guessing about its care requirements or suitability for gardens, we recommend working with local experts to either confirm its identity and status or find well-documented alternatives that will definitely thrive in your native garden.

Remember, the best native gardens are built on solid information and appropriate plant choices for your specific region. When in doubt, reach out to your local extension office, native plant society, or botanical garden for guidance.

Margined 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 marginatus d'Urv. - margined buttercup

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