North America Non-native Plant

Crotalaria Lanceolata Prognatha

Botanical name: Crotalaria lanceolata prognatha

USDA symbol: CRLAP2

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

Crotalaria lanceolata prognatha: An Elusive Plant with Limited Information If you’ve stumbled across the name Crotalaria lanceolata prognatha in your native plant research, you might be scratching your head trying to find reliable information about it. You’re not alone! This particular plant name presents a bit of a botanical mystery ...

Crotalaria lanceolata prognatha: An Elusive Plant with Limited Information

If you’ve stumbled across the name Crotalaria lanceolata prognatha in your native plant research, you might be scratching your head trying to find reliable information about it. You’re not alone! This particular plant name presents a bit of a botanical mystery that’s worth exploring.

The Challenge with Plant Identification

While the genus Crotalaria is well-documented and contains numerous species commonly known as rattleboxes or rattlepods, the specific combination Crotalaria lanceolata prognatha doesn’t appear in standard botanical references or native plant databases. This could mean several things:

  • It may be an outdated or invalid taxonomic name
  • It could be a very localized variety that hasn’t been widely documented
  • There may be a taxonomic classification error
  • It might be confused with a similar species

What We Know About the Crotalaria Genus

The Crotalaria genus belongs to the legume family and includes both native and non-native species found throughout various regions. These plants are typically characterized by their distinctive seed pods that rattle when mature, hence the common name rattlebox.

Geographic Distribution Mystery

Without reliable documentation, we cannot determine where Crotalaria lanceolata prognatha might naturally occur or whether it’s truly native to any particular region.

A Word of Caution for Gardeners

When you encounter plant names that are difficult to verify, it’s important to proceed with caution. Here’s what we recommend:

  • Verify the plant identification with local botanical experts or extension services
  • Check with reputable native plant societies in your area
  • Consider well-documented native alternatives from the same plant family
  • Avoid purchasing plants with questionable or unverified names

Better Alternatives to Consider

If you’re interested in native legumes that support pollinators and wildlife, consider researching these well-documented options for your region:

  • Verified native Crotalaria species (if available in your area)
  • Native wild lupines
  • Native clovers and vetches
  • Other native members of the legume family

The Bottom Line

While we can’t provide specific growing information for Crotalaria lanceolata prognatha due to limited reliable documentation, this situation highlights the importance of careful plant identification in native gardening. When in doubt, consult with local experts and choose plants with well-established native credentials and clear growing guidelines.

Remember, successful native gardening starts with accurate plant identification and understanding your local ecosystem. It’s always better to choose a well-documented native plant than to risk introducing something that might not belong in your garden or region.

Crotalaria Lanceolata Prognatha

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 lanceolata E. Mey. - lanceleaf rattlebox

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