North America Non-native Plant

Viguiera Deltoidea

Botanical name: Viguiera deltoidea

USDA symbol: VIDE6

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

Synonyms: Viguiera deltoidea A. Gray var. genuina S.F. Blake (VIDEG2)   

Viguiera deltoidea: The Mystery Plant That Might Not Be What It Seems If you’ve stumbled across the name Viguiera deltoidea in your native plant research, you might be scratching your head wondering why there’s so little information available about this species. Well, you’re not alone, and there’s a perfectly good ...

Viguiera deltoidea: The Mystery Plant That Might Not Be What It Seems

If you’ve stumbled across the name Viguiera deltoidea in your native plant research, you might be scratching your head wondering why there’s so little information available about this species. Well, you’re not alone, and there’s a perfectly good reason for the confusion!

The Taxonomic Puzzle

Viguiera deltoidea is one of those botanical mysteries that highlights just how complex plant classification can be. This species name appears in some older botanical references, with the synonym Viguiera deltoidea A. Gray var. genuina S.F. Blake, but finding current, reliable information about it is like searching for a needle in a haystack.

The genus Viguiera itself has undergone significant taxonomic shuffling in recent years. Many species once classified as Viguiera have been moved to other genera, particularly Bahiopsis. This means that what was once called Viguiera deltoidea might now go by a completely different name, or it might be an outdated classification altogether.

What We Know (And Don’t Know)

Here’s the honest truth about Viguiera deltoidea: reliable information about its native range, growing conditions, and garden suitability is virtually non-existent in current botanical literature. Without knowing its current taxonomic status or having access to detailed ecological data, it’s impossible to provide the kind of growing advice that would help you successfully cultivate this plant.

Why This Matters for Native Plant Gardeners

As native plant enthusiasts, we often encounter situations like this where plant names don’t match up with available information. This is actually a great reminder of why it’s important to:

  • Work with reputable native plant nurseries that can verify plant identities
  • Consult current botanical databases and local extension services
  • Focus on well-documented native species when planning your garden
  • Be cautious about planting species with uncertain identification

Alternative Approaches

If you’re interested in plants that were historically classified in the genus Viguiera, consider looking into species now classified under Bahiopsis, such as Bahiopsis deltoidea (if this is indeed the current name for what was once Viguiera deltoidea). These plants are typically native to the southwestern United States and northwestern Mexico and can make excellent additions to desert and Mediterranean-style gardens.

The Bottom Line

While Viguiera deltoidea might sound like an interesting addition to your native plant garden, the lack of reliable information makes it difficult to recommend. Instead of chasing botanical ghosts, focus your energy on well-documented native species that you can grow with confidence.

If you’re specifically interested in this plant, consider reaching out to botanical experts at local universities, native plant societies, or herbaria who might be able to help clarify its current taxonomic status and provide more specific guidance.

Remember, the world of native plants is vast and full of wonderful, well-documented species that can bring beauty and ecological benefits to your garden without the guesswork!

Viguiera Deltoidea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Viguiera Kunth - goldeneye

Species

Viguiera deltoidea A. Gray [excluded]

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