North America Non-native Plant

Alverjilla

Botanical name: Adesmia bicolor

USDA symbol: ADBI3

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

Alverjilla (Adesmia bicolor): A Mysterious South American Native If you’ve stumbled upon the name alverjilla or its botanical moniker Adesmia bicolor while researching native plants, you’re in for a bit of a mystery. This South American species, also known as babosita patope, belongs to the fascinating Adesmia genus – but ...

Alverjilla (Adesmia bicolor): A Mysterious South American Native

If you’ve stumbled upon the name alverjilla or its botanical moniker Adesmia bicolor while researching native plants, you’re in for a bit of a mystery. This South American species, also known as babosita patope, belongs to the fascinating Adesmia genus – but finding detailed information about this particular species is like searching for a needle in a haystack.

What We Know About Alverjilla

Adesmia bicolor is part of the legume family (Fabaceae), which means it’s related to familiar plants like beans, peas, and clover. The Adesmia genus is native to South America, particularly thriving in the diverse ecosystems of Argentina, Chile, and neighboring regions. These plants have adapted to some pretty tough conditions, from high-altitude environments to arid landscapes.

The Information Challenge

Here’s where things get tricky – while we know alverjilla exists as a species name, detailed information about its specific characteristics, growing requirements, and garden applications is surprisingly scarce in reliable botanical sources. This could mean several things:

  • It might be an extremely rare or localized species
  • It could be a regional common name that doesn’t correspond to widely recognized botanical records
  • The species might be known by other scientific names in different regions
  • It may have very limited cultivation history outside its native range

What This Means for Gardeners

If you’re considering adding alverjilla to your garden, you’ll want to proceed with caution. Without reliable information about its growth habits, hardiness zones, invasive potential, or care requirements, it’s difficult to make informed gardening decisions.

Better Alternatives to Consider

Instead of chasing this elusive species, consider exploring other well-documented Adesmia species or similar legumes that are better understood and more readily available:

  • Look into other South American native legumes that are better documented
  • Consider native alternatives from your own region
  • Explore established Adesmia species with known cultivation requirements

If You Encounter This Plant

Should you come across what’s labeled as Adesmia bicolor or alverjilla, approach with curiosity but caution. Take photos, note the location, and consider reaching out to local botanists or native plant societies. You might be looking at something quite special – or you might help solve a naming puzzle.

The Takeaway

While alverjilla remains something of an enigma in the gardening world, this highlights an important point about native plant gardening: not every species name you encounter will have readily available growing information. Sometimes the most responsible approach is to stick with well-documented natives that you can grow successfully and sustainably.

Remember, the best native garden is one filled with plants you can actually keep alive and thriving – and that means choosing species with clear growing guidelines and reliable sources.

Alverjilla

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

Adesmia DC.

Species

Adesmia bicolor (Poir.) DC. - alverjilla

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