North America Non-native Plant

Astragalus Glycyphylloides

Botanical name: Astragalus glycyphylloides

USDA symbol: ASGL15

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

Astragalus glycyphylloides: The Mystery Plant That’s Hard to Pin Down If you’ve stumbled across the name Astragalus glycyphylloides in your plant research, you’ve encountered one of those botanical mysteries that keeps even experienced gardeners scratching their heads. This elusive member of the legume family (that’s the same family that gives ...

Astragalus glycyphylloides: The Mystery Plant That’s Hard to Pin Down

If you’ve stumbled across the name Astragalus glycyphylloides in your plant research, you’ve encountered one of those botanical mysteries that keeps even experienced gardeners scratching their heads. This elusive member of the legume family (that’s the same family that gives us peas and beans) is about as mysterious as plants get in the gardening world.

What We Know (And Don’t Know) About This Plant

Here’s the thing about Astragalus glycyphylloides – information about this specific species is incredibly scarce. While the genus Astragalus is well-known and includes hundreds of species commonly called milk-vetches, this particular species name doesn’t appear in most standard botanical references or gardening databases.

What we do know is that it belongs to the dicot group of plants, meaning it would have two seed leaves when germinating, and as an Astragalus species, it would be part of the legume family. These plants typically have the characteristic pea-like flowers and often fix nitrogen in the soil through their root systems.

The Challenge of Geographic Distribution

Unfortunately, the native range and geographic distribution of Astragalus glycyphylloides remains unclear from available sources. This makes it nearly impossible to determine whether this plant would be suitable for your specific region or garden conditions.

Why This Plant Might Not Be Your Best Garden Choice

Given the lack of reliable information about this species, here are some practical concerns for gardeners:

  • Unknown growing requirements make successful cultivation uncertain
  • Unclear native status means you can’t be sure if it’s appropriate for native plant gardens
  • Limited availability from reputable nurseries or seed suppliers
  • Uncertain hardiness zones and climate preferences
  • Unknown mature size and garden behavior

Better Astragalus Alternatives for Your Garden

Instead of pursuing this botanical enigma, consider these well-documented Astragalus species that offer reliable garden performance:

  • Astragalus canadensis (Canadian Milk-vetch) – A native North American species with showy white flowers
  • Astragalus crassicarpus (Ground Plum) – Low-growing with interesting inflated seed pods
  • Astragalus flexuosus (Flexible Milk-vetch) – Drought-tolerant with purple flowers

If You’re Determined to Track It Down

Should you be absolutely set on finding Astragalus glycyphylloides, your best bet would be to:

  • Contact botanical gardens or university herbaria
  • Consult with native plant societies in your region
  • Verify the species name with taxonomic databases
  • Consider that it might be a synonym for another accepted species name

The Bottom Line

While the mystery of Astragalus glycyphylloides might intrigue plant enthusiasts, the practical gardener is probably better served by choosing from the many well-documented Astragalus species available. These alternatives offer the same family characteristics – nitrogen-fixing abilities, pollinator-friendly flowers, and often drought tolerance – without the guesswork.

Sometimes in gardening, as in life, it’s better to go with what you know works rather than chasing after botanical ghosts. Your garden (and your sanity) will thank you for it!

Astragalus Glycyphylloides

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

Astragalus L. - milkvetch

Species

Astragalus glycyphylloides DC.

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