North America Non-native Plant

Senna Artemisioides Zygophylla

Botanical name: Senna artemisioides zygophylla

USDA symbol: SEARZ

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

Synonyms: Cassia eremophila Benth. var. zygophylla (Benth.) Benth. (CAERZ2)   

Senna artemisioides zygophylla: A Lesser-Known Member of the Senna Family If you’ve stumbled across the name Senna artemisioides zygophylla in your plant research, you’re dealing with what appears to be a rather elusive member of the legume family. This particular plant falls into that category of botanical specimens that keeps ...

Senna artemisioides zygophylla: A Lesser-Known Member of the Senna Family

If you’ve stumbled across the name Senna artemisioides zygophylla in your plant research, you’re dealing with what appears to be a rather elusive member of the legume family. This particular plant falls into that category of botanical specimens that keeps even seasoned gardeners scratching their heads – not because it’s particularly difficult, but because reliable information about it is surprisingly scarce.

What We Know (And What We Don’t)

Senna artemisioides zygophylla belongs to the diverse Senna genus, which includes hundreds of species known for their bright yellow flowers and compound leaves. While its botanical relatives are well-documented garden performers, this particular variety seems to fly under the radar of most horticultural references.

The plant has at least one recorded synonym: Cassia eremophila Benth. var. zygophylla, which tells us it was once classified under the Cassia genus before botanists moved it to Senna – a common taxonomic shuffle that happened to many legumes over the years.

Geographic Origins

While we can’t pinpoint the exact native range of Senna artemisioides zygophylla, the Senna artemisioides complex is generally associated with Australian flora. However, without specific distribution data for this particular variety, it’s difficult to say precisely where you might encounter it in the wild.

Should You Grow It?

Here’s where things get a bit tricky. With limited information available about this plant’s growth habits, care requirements, and potential impact on local ecosystems, it’s hard to give you a definitive yes or no on whether to add it to your garden.

If you’re considering this plant, here are some important steps to take first:

  • Verify its legal status in your area – some Senna species have restrictions in certain regions
  • Check with local native plant societies or extension services for regional guidance
  • Ensure any plant material comes from reputable, legally operating sources
  • Consider well-documented native alternatives that provide similar benefits

Growing Considerations

Without specific cultivation information for Senna artemisioides zygophylla, we can only make educated guesses based on its botanical relatives. Most Senna species prefer:

  • Well-draining soil
  • Full sun to partial shade
  • Moderate water once established
  • Protection from hard freezes in cooler climates

However, these are generalizations that may not apply to this specific variety.

The Bottom Line

Senna artemisioides zygophylla represents one of those botanical mysteries that reminds us how much we still don’t know about the plant kingdom. While the lack of readily available information doesn’t necessarily make it a bad plant, it does make it a risky choice for most gardeners.

If you’re drawn to the Senna genus for your landscape, consider starting with better-documented species that have established track records in cultivation. Your local native plant society can point you toward Senna species (or similar legumes) that are known to thrive in your area while supporting local wildlife.

Sometimes the most responsible gardening choice is admitting when we simply don’t know enough – and this might be one of those times.

Senna Artemisioides Zygophylla

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

Senna Mill. - senna

Species

Senna artemisioides (Gaudich. ex DC.) Randell - silver senna

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