North America Non-native Plant

Cotoneaster Racemiflorus Var. Royleanus

Botanical name: Cotoneaster racemiflorus var. royleanus

USDA symbol: CORAR3

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

The Mystery of Cotoneaster racemiflorus var. royleanus: When Plant Information Goes Missing Sometimes in the world of gardening, we encounter plants that seem to exist in botanical limbo – and Cotoneaster racemiflorus var. royleanus is one of those mysterious specimens. While this plant has an official botanical name, finding reliable ...

The Mystery of Cotoneaster racemiflorus var. royleanus: When Plant Information Goes Missing

Sometimes in the world of gardening, we encounter plants that seem to exist in botanical limbo – and Cotoneaster racemiflorus var. royleanus is one of those mysterious specimens. While this plant has an official botanical name, finding reliable information about this specific variety proves to be quite the detective story.

What We Know (And Don’t Know)

Here’s the thing about Cotoneaster racemiflorus var. royleanus – it’s like that obscure book everyone references but no one seems to have actually read. The botanical name suggests it’s a variety of Cotoneaster racemiflorus, which belongs to the rose family, but specific details about this particular variety remain elusive in standard horticultural references.

Without clear information about its native range, growth habits, or garden performance, it’s difficult to provide the typical growing advice you’d expect from a plant guide.

The Challenge of Rare or Poorly Documented Varieties

This situation highlights an interesting aspect of plant collecting and gardening – not every plant with a botanical name has readily available cultivation information. This could mean several things:

  • The variety might be extremely rare or geographically limited
  • It could be a historical classification that’s no longer widely recognized
  • The plant might exist primarily in botanical collections rather than general cultivation
  • Information might be available only in specialized botanical literature

What Should Gardeners Do?

If you’ve encountered this plant name and are curious about growing it, here’s your best bet:

  • Contact botanical gardens or specialized nurseries that focus on unusual varieties
  • Reach out to Cotoneaster specialists or plant societies
  • Check with university botanical departments or extension services
  • Consider whether you might be looking for a more common Cotoneaster variety instead

Alternative Cotoneaster Options

While we puzzle over this elusive variety, there are plenty of well-documented Cotoneaster species that might scratch that same gardening itch. However, it’s worth noting that many Cotoneaster species can be invasive in certain regions, so always check your local invasive species lists before planting any Cotoneaster variety.

The Bottom Line

Sometimes the most honest thing a gardening expert can say is I don’t know – and that’s the case with Cotoneaster racemiflorus var. royleanus. If you have information about this mysterious variety or have encountered it in cultivation, the gardening community would certainly appreciate your insights!

Until more information surfaces, this remains one of those botanical puzzles that reminds us how much we still have to learn about the plant world around us.

Cotoneaster Racemiflorus Var. Royleanus

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

Rosaceae Juss. - Rose family

Genus

Cotoneaster Medik. - cotoneaster

Species

Cotoneaster racemiflorus (Desf.) J.R. Booth ex Bosse - cluster-flower cotoneaster

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