North America Non-native Plant

Hedysarum Cyprium

Botanical name: Hedysarum cyprium

USDA symbol: HECY3

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

The Mysterious Hedysarum cyprium: A Plant That’s Hard to Pin Down If you’ve stumbled across the name Hedysarum cyprium in your gardening research, you might be scratching your head wondering what exactly this plant is—and you wouldn’t be alone! This botanical name presents quite the puzzle for native plant enthusiasts ...

The Mysterious Hedysarum cyprium: A Plant That’s Hard to Pin Down

If you’ve stumbled across the name Hedysarum cyprium in your gardening research, you might be scratching your head wondering what exactly this plant is—and you wouldn’t be alone! This botanical name presents quite the puzzle for native plant enthusiasts and gardeners alike.

What We Know (And Don’t Know) About Hedysarum cyprium

Here’s the honest truth: reliable information about Hedysarum cyprium is virtually nonexistent in botanical literature and horticultural databases. This raises some important questions about whether this is actually a validly published species name or if there might be some confusion with plant identification.

What we can tell you is that if this plant does exist, it would belong to the Hedysarum genus, commonly known as sweetvetch. Members of this genus are typically legumes (part of the pea family) that can be quite beneficial for gardens and ecosystems.

The Hedysarum Family: What to Expect

While we can’t speak specifically to Hedysarum cyprium, other plants in the Hedysarum genus share some common characteristics:

  • They’re typically perennial herbs or small shrubs
  • Many species produce attractive pink, purple, or white flowers
  • As legumes, they can fix nitrogen in the soil
  • They often attract pollinators like bees and butterflies
  • Many are adapted to challenging growing conditions

A Word of Caution for Gardeners

Given the lack of verified information about Hedysarum cyprium, we’d recommend extreme caution before attempting to grow this plant. Without knowing its native range, growing requirements, or potential invasive characteristics, it’s impossible to provide responsible gardening advice.

Better Alternatives: Proven Native Sweetvetch Species

Instead of puzzling over the mysterious Hedysarum cyprium, consider these well-documented native alternatives:

  • Northern Sweetvetch (Hedysarum boreale): Native to northern regions, with beautiful purple flowers
  • Alpine Sweetvetch (Hedysarum alpinum): Perfect for rock gardens and challenging conditions
  • Utah Sweetvetch (Hedysarum utahense): Great for western gardens and drought-tolerant landscaping

What Should You Do?

If you’ve encountered Hedysarum cyprium in plant lists or databases, we’d recommend:

  • Double-checking the plant identification with local botanical experts
  • Verifying the source of the plant name
  • Considering well-documented native alternatives instead
  • Contacting your local native plant society for guidance

The Bottom Line

While the mystery of Hedysarum cyprium remains unsolved, there are plenty of wonderful, well-documented native plants that can provide the beauty and ecological benefits you’re looking for in your garden. Sometimes the best gardening advice is knowing when to say we need more information—and this is definitely one of those times!

Remember, successful native gardening is all about choosing plants with proven track records and reliable growing information. Your garden (and local ecosystem) will thank you for it!

Hedysarum Cyprium

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

Hedysarum L. - sweetvetch

Species

Hedysarum cyprium Boiss.

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