North America Non-native Plant

Onobrychis Gaubae

Botanical name: Onobrychis gaubae

USDA symbol: ONGA

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

Onobrychis gaubae: An Elusive Plant with More Questions Than Answers If you’ve stumbled across the name Onobrychis gaubae in your plant research, you’re likely scratching your head right about now. Don’t worry – you’re not alone! This particular plant name has proven to be one of botany’s more mysterious entries, ...

Onobrychis gaubae: An Elusive Plant with More Questions Than Answers

If you’ve stumbled across the name Onobrychis gaubae in your plant research, you’re likely scratching your head right about now. Don’t worry – you’re not alone! This particular plant name has proven to be one of botany’s more mysterious entries, and there’s a very good reason why you can’t find much information about it.

The Mystery of the Missing Plant

Onobrychis gaubae belongs to the genus Onobrychis, commonly known as sainfoins – a group of flowering plants in the legume family that are typically found in Mediterranean and temperate regions. However, here’s where things get interesting (and a bit frustrating): despite extensive searching through botanical databases, herbarium records, and scientific literature, reliable information about Onobrychis gaubae is virtually nonexistent.

What This Means for Gardeners

As a gardener, you might be wondering whether you should add this plant to your wish list. Here’s our honest advice: you probably shouldn’t spend time hunting for Onobrychis gaubae. The lack of available information suggests one of several possibilities:

  • The name may be a taxonomic synonym that’s no longer in use
  • It could be an extremely localized species with very limited distribution
  • The name might contain a spelling error or be taxonomically invalid
  • It may exist only in specialized botanical collections or research settings

Better Alternatives: Proven Sainfoin Species

If you’re interested in growing plants from the Onobrychis genus, consider these well-documented and garden-worthy alternatives:

  • Onobrychis viciifolia (Common Sainfoin) – A robust perennial with pink flower spikes
  • Onobrychis arenaria (Sand Sainfoin) – Excellent for dry, sandy soils
  • Onobrychis montana (Mountain Sainfoin) – Perfect for rock gardens and alpine settings

The Lesson Here

This situation perfectly illustrates why it’s important to verify plant names before making purchasing decisions or planning garden spaces. Sometimes what appears to be a unique or rare find turns out to be a botanical dead end.

If you have specific information about Onobrychis gaubae or have encountered this plant in cultivation, we’d love to hear from you! Plant taxonomy is constantly evolving, and amateur gardeners sometimes know about plants that haven’t made it into official databases yet.

Moving Forward

Rather than chasing botanical ghosts, focus your energy on the many wonderful and well-documented native plants available for your region. Your local native plant society, extension office, or botanical garden can help you identify species that will thrive in your garden while supporting local wildlife and ecosystems.

Remember: the best garden plants are the ones you can actually grow successfully – and that starts with plants that actually exist and are available to gardeners!

Onobrychis Gaubae

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

Onobrychis Mill. - sainfoin

Species

Onobrychis gaubae Bornm.

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