North America Non-native Plant

Crotalaria Vallicola

Botanical name: Crotalaria vallicola

USDA symbol: CRVA5

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

Crotalaria vallicola: A Mysterious Member of the Rattlepod Family If you’ve stumbled across the name Crotalaria vallicola in your native plant research, you’re not alone in scratching your head. This particular species is something of a botanical mystery, with very limited information available in current plant databases and horticultural resources. ...

Crotalaria vallicola: A Mysterious Member of the Rattlepod Family

If you’ve stumbled across the name Crotalaria vallicola in your native plant research, you’re not alone in scratching your head. This particular species is something of a botanical mystery, with very limited information available in current plant databases and horticultural resources.

What We Know (And Don’t Know)

Crotalaria vallicola belongs to the Crotalaria genus, commonly known as rattlepods or rattlebox plants. These are typically leguminous plants in the pea family (Fabaceae) known for their distinctive seed pods that rattle when mature. However, when it comes to this specific species, reliable information is surprisingly scarce.

The lack of readily available data about Crotalaria vallicola raises some important questions about its current taxonomic status. It’s possible that:

  • This name may be outdated or no longer considered valid
  • It could be an extremely localized or rare species
  • The name might be a misidentification or variant spelling

A Word of Caution for Gardeners

Without clear information about this plant’s native range, growth habits, or potential invasive characteristics, we can’t recommend it for home gardens. Many Crotalaria species contain alkaloids that can be toxic to livestock and humans, so identification certainty is crucial.

Better Alternatives to Consider

If you’re interested in native legumes that support pollinators and wildlife, consider these well-documented alternatives instead:

  • Wild lupine (Lupinus perennis) for cooler climates
  • Partridge pea (Chamaecrista fasciculata) for sunny, dry areas
  • Wild senna (Senna hebecarpa) for moist, fertile soils

The Importance of Accurate Plant Identification

This situation highlights why proper plant identification is so crucial in native gardening. When in doubt, always consult with local native plant societies, extension offices, or botanical experts before adding unfamiliar species to your landscape.

If you have reliable information about Crotalaria vallicola or believe you’ve encountered this species in the wild, consider reaching out to botanical researchers or herbarium collections who might be interested in documenting its current status and distribution.

Moving Forward

While the mystery of Crotalaria vallicola remains unsolved, this serves as a good reminder that the world of native plants still holds many secrets. Focus your gardening efforts on well-documented native species that will provide proven benefits to local ecosystems while you wait for botanists to sort out the more enigmatic members of our flora.

Crotalaria Vallicola

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 vallicola Baker f.

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