North America Non-native Plant

Groundnut

Botanical name: Arachis villosulicarpa

USDA symbol: ARVI16

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

The Mysterious Groundnut: What We Know About Arachis villosulicarpa If you’ve stumbled across the name Arachis villosulicarpa in your plant research, you’re not alone in wondering about this mysterious member of the groundnut family. While this plant carries the common name groundnut, finding reliable information about this particular species can ...

The Mysterious Groundnut: What We Know About Arachis villosulicarpa

If you’ve stumbled across the name Arachis villosulicarpa in your plant research, you’re not alone in wondering about this mysterious member of the groundnut family. While this plant carries the common name groundnut, finding reliable information about this particular species can feel like searching for a needle in a botanical haystack.

A Plant Shrouded in Mystery

Arachis villosulicarpa belongs to the same genus as the familiar peanut (Arachis hypogaea), but unlike its well-known cousin, this species remains largely undocumented in mainstream horticultural literature. This lack of information presents a unique challenge for gardeners who encounter this name and wonder whether it might be a good addition to their landscape.

The Challenge of Unknown Origins

Without clear information about this plant’s native range, growth habits, or ecological requirements, it’s impossible to provide specific guidance about where and how to grow Arachis villosulicarpa. The geographical distribution remains unknown, making it difficult to determine appropriate growing zones or climate conditions.

What This Means for Gardeners

When encountering a plant species with such limited available information, gardeners should proceed with caution. Here are some considerations:

  • Verify the plant identification with local botanical experts or extension services
  • Consider whether you might be looking for a different, better-documented Arachis species
  • Research native alternatives that provide similar ecological benefits
  • Consult with local native plant societies for region-specific recommendations

Better-Known Alternatives

If you’re interested in groundnut species for your garden, consider researching Apios americana (American groundnut), which is well-documented, native to much of eastern North America, and offers excellent wildlife benefits including nectar for pollinators and nutritious tubers that were historically important food sources.

The Bottom Line

While the mystery surrounding Arachis villosulicarpa makes it an intriguing botanical puzzle, the lack of reliable growing information makes it a risky choice for most gardeners. Until more research becomes available, focusing on well-documented native plants that provide known ecological benefits remains the safer and more rewarding path for supporting local ecosystems and creating successful gardens.

If you do have verified information about this species or encounter it in a scientific context, consider contributing to citizen science projects or contacting botanical institutions to help fill the knowledge gap about this elusive groundnut.

Groundnut

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

Arachis L. - peanut

Species

Arachis villosulicarpa Hoehne - groundnut

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