North America Native Plant

Guadalupe Mountain Necklacepod

Botanical name: Sophora gypsophila

USDA symbol: SOGY80

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Guadalupe Mountain Necklacepod: A Critically Rare Native Worth Protecting Meet the Guadalupe Mountain necklacepod (Sophora gypsophila), one of the Southwest’s most endangered native shrubs. If you’ve never heard of this plant before, you’re not alone – and there’s a very good reason why this remarkable species remains largely unknown to ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Guadalupe Mountain Necklacepod: A Critically Rare Native Worth Protecting

Meet the Guadalupe Mountain necklacepod (Sophora gypsophila), one of the Southwest’s most endangered native shrubs. If you’ve never heard of this plant before, you’re not alone – and there’s a very good reason why this remarkable species remains largely unknown to gardeners.

What Makes This Plant Special

The Guadalupe Mountain necklacepod is a perennial shrub that belongs to the legume family. Like other members of the Sophora genus, it’s a multi-stemmed woody plant that typically grows less than 13-16 feet tall, with several stems arising from or near the ground. This native beauty calls the American Southwest home, specifically thriving in the unique landscapes of New Mexico and Texas.

Where You’ll Find It (Or Won’t)

This rare gem has an extremely limited range, found only in New Mexico and Texas. The species name gypsophila gives us a big clue about its preferred habitat – it’s adapted to grow in gypsum-rich soils, making it a true specialist of these unique geological formations.

The Reality Check: Why You Probably Shouldn’t Plant This

Here’s where we need to have a serious conversation. The Guadalupe Mountain necklacepod carries a Global Conservation Status of S1, which translates to Critically Imperiled. This means:

  • There are typically 5 or fewer known populations in existence
  • Fewer than 1,000 individual plants likely remain in the wild
  • The species faces extreme risk of extinction
  • Every remaining plant is precious for the species’ survival

Given this critical status, we strongly recommend against attempting to grow this plant unless you’re working with conservation organizations or have access to ethically propagated material from established conservation programs.

What Gardeners Can Do Instead

While you shouldn’t plant the Guadalupe Mountain necklacepod itself, you can still support native plant conservation and create beautiful southwestern landscapes with other native Sophora species and related plants that aren’t endangered. Consider these alternatives:

  • Mescal bean (Sophora secundiflora) – more widely available and equally stunning
  • Other native leguminous shrubs suited to your specific region
  • Supporting local native plant societies and conservation efforts

Supporting Conservation Efforts

The best way to grow appreciation for the Guadalupe Mountain necklacepod is by supporting habitat conservation and research efforts. Contact local botanical gardens, native plant societies, or state conservation departments to learn about ongoing protection efforts for this remarkable species.

Sometimes the most loving thing we can do for a plant is to admire it from afar and ensure its wild populations remain undisturbed. The Guadalupe Mountain necklacepod represents the incredible diversity of our native flora – and reminds us why protecting natural habitats is so crucial for preserving these irreplaceable species for future generations.

Guadalupe Mountain Necklacepod

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

Sophora L. - necklacepod

Species

Sophora gypsophila B.L. Turner & A. Powell - Guadalupe Mountain necklacepod

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