North America Non-native Plant

Crotalaria Cleomifolia

Botanical name: Crotalaria cleomifolia

USDA symbol: CRCL3

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

Crotalaria cleomifolia: An Enigmatic Member of the Rattlepod Family If you’ve stumbled across the name Crotalaria cleomifolia in your plant research, you’ve discovered one of botany’s more elusive characters. This member of the legume family (Fabaceae) belongs to the Crotalaria genus, commonly known as rattlepods, but finding detailed information about ...

Crotalaria cleomifolia: An Enigmatic Member of the Rattlepod Family

If you’ve stumbled across the name Crotalaria cleomifolia in your plant research, you’ve discovered one of botany’s more elusive characters. This member of the legume family (Fabaceae) belongs to the Crotalaria genus, commonly known as rattlepods, but finding detailed information about this specific species is like searching for a needle in a haystack.

The Mystery Plant

Crotalaria cleomifolia stands out—not for what we know about it, but for what remains unknown. While the Crotalaria genus boasts over 600 species worldwide, many of them vibrant flowering plants beloved by gardeners and beneficial insects, this particular species seems to fly under the radar of most botanical databases and gardening resources.

The scientific name gives us a clue about its appearance: cleomifolia suggests leaves that resemble those of Cleome (spider flower), but without more specific documentation, we can only speculate about its exact characteristics.

What We Do Know

As a member of the Crotalaria genus, this plant likely shares some family traits:

  • Belongs to the legume family, potentially fixing nitrogen in the soil
  • May produce characteristic inflated seed pods that rattle when dry (hence rattlepod)
  • Likely has compound leaves based on the species name
  • Probably produces flowers typical of the legume family

Geographic Distribution

The native range and distribution of Crotalaria cleomifolia remain unclear from available sources. This lack of information could indicate a very limited geographic range, specialized habitat requirements, or possibly uncertain taxonomic status.

Should You Grow It?

Here’s where things get tricky. Without reliable information about this plant’s growing requirements, hardiness zones, potential invasiveness, or even availability in the nursery trade, it’s nearly impossible to provide cultivation advice.

If you’re interested in Crotalaria species for your garden, consider these better-documented alternatives:

  • Crotalaria juncea (Sunn Hemp) – excellent cover crop and pollinator plant
  • Crotalaria spectabilis (Showy Rattlepod) – beautiful yellow flowers, but check local invasive species lists
  • Native legumes specific to your region

The Bigger Picture

Crotalaria cleomifolia serves as a reminder that our botanical world still holds mysteries. Many plant species remain poorly documented, especially those with limited distributions or specialized habitats. This doesn’t make them less valuable—it just makes them harder to study and understand.

If you encounter this plant in the wild or have reliable information about it, consider contributing to citizen science projects or reaching out to local botanical institutions. Every observation helps fill in the gaps in our understanding of plant diversity.

Moving Forward

While we can’t provide specific growing instructions for Crotalaria cleomifolia, we can appreciate it as part of the incredible diversity within the plant kingdom. Sometimes the most interesting plants are the ones that remain mysterious, reminding us that nature still has secrets to reveal.

For your garden, focus on well-documented native plants that will provide reliable beauty and ecological benefits. Leave the mysterious species like Crotalaria cleomifolia to the researchers and botanists who specialize in unlocking nature’s puzzles.

Crotalaria Cleomifolia

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Crotalaria L. - rattlebox

Species

Crotalaria cleomifolia Welw. ex Baker

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