North America Non-native Plant

Desmodium Leiocarpon

Botanical name: Desmodium leiocarpon

USDA symbol: DELE5

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

Desmodium leiocarpon: The Mystery Tick-Trefoil Worth Knowing About If you’ve stumbled across the name Desmodium leiocarpon in your native plant research, you’re likely wondering what exactly this mysterious member of the tick-trefoil family brings to the garden table. Well, you’re not alone in your curiosity – this particular species is ...

Desmodium leiocarpon: The Mystery Tick-Trefoil Worth Knowing About

If you’ve stumbled across the name Desmodium leiocarpon in your native plant research, you’re likely wondering what exactly this mysterious member of the tick-trefoil family brings to the garden table. Well, you’re not alone in your curiosity – this particular species is something of an enigma in the gardening world.

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

Desmodium leiocarpon belongs to the legume family and is part of the tick-trefoil genus, which includes several well-known native wildflowers. While we know it’s native to North America, the specific details about its range and characteristics remain frustratingly elusive in horticultural literature.

This lack of readily available information might actually tell us something important: Desmodium leiocarpon could be quite rare or have a very limited distribution. In the plant world, species that don’t show up in every field guide or gardening website are often the ones that need our attention the most.

The Tick-Trefoil Family Connection

While we can’t say much about this specific species, we can look to its relatives for clues. Other Desmodium species are typically:

  • Perennial wildflowers with compound leaves
  • Producers of small, pea-like flowers
  • Important food sources for native bees and butterflies
  • Nitrogen-fixers that improve soil health
  • Adapted to woodland edges and partially shaded areas

Should You Try to Grow It?

Here’s where things get tricky. The scarcity of information about Desmodium leiocarpon in cultivation suggests a few possibilities:

If it’s rare: Growing it could be an act of conservation, but only if you can source seeds or plants responsibly from reputable native plant societies or botanical institutions. Never collect from wild populations.

If it’s simply overlooked: You might be pioneering the cultivation of an underappreciated native gem.

If it’s challenging to grow: There might be good reasons why it’s not commonly available in the nursery trade.

A Better Approach: Proven Tick-Trefoil Alternatives

If you’re drawn to the idea of growing a native Desmodium species, consider these well-documented relatives that offer similar benefits:

  • Showy Tick-Trefoil (Desmodium canadense): Tall, striking pink flowers
  • Illinois Tick-Trefoil (Desmodium illinoense): Excellent for prairie gardens
  • Pointed-Leaf Tick-Trefoil (Desmodium glutinosum): Perfect for woodland gardens

The Conservation Angle

Sometimes the most important native plants are the ones we hear about least. If Desmodium leiocarpon has caught your attention, consider reaching out to local native plant societies, botanical gardens, or university extension services. They might have more information about its status in your area and whether conservation efforts are needed.

What You Can Do Right Now

While you’re investigating this mysterious species, here are some immediate steps you can take:

  • Contact local botanists or native plant groups for regional information
  • Plant other native Desmodium species to support pollinators
  • Keep an eye out for this species on nature walks (but don’t disturb it!)
  • Support organizations that work to document and preserve rare native plants

The world of native plants is full of mysteries, and Desmodium leiocarpon appears to be one of them. Whether it turns out to be rare, challenging, or simply under-studied, your interest in lesser-known natives shows you’re thinking like a true plant conservationist. Sometimes the best garden stories begin with a question mark.

Desmodium Leiocarpon

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

Desmodium Desv. - ticktrefoil

Species

Desmodium leiocarpon (Spreng.) G. Don

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