North America Native Plant

Mescalero Milkwort

Botanical name: Polygala rimulicola var. mescalerorum

USDA symbol: PORIM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Mescalero Milkwort: A Rare Native Gem Worth Protecting If you’re a native plant enthusiast with a passion for rare botanical treasures, you might have stumbled across the name Mescalero milkwort (Polygala rimulicola var. mescalerorum). This little-known perennial herb represents one of nature’s more exclusive offerings – a plant so uncommon ...

Rare plant alert!

Region: Conservation status by state

Status: S3T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Mescalero Milkwort: A Rare Native Gem Worth Protecting

If you’re a native plant enthusiast with a passion for rare botanical treasures, you might have stumbled across the name Mescalero milkwort (Polygala rimulicola var. mescalerorum). This little-known perennial herb represents one of nature’s more exclusive offerings – a plant so uncommon that most gardeners will never encounter it in their local nursery.

What Makes This Plant Special?

Mescalero milkwort belongs to the milkwort family and grows as a forb – essentially a non-woody perennial herb that returns year after year. Unlike shrubs or trees, this plant lacks significant woody tissue and keeps its growing points at or below ground level, helping it survive through challenging seasons.

Where Does It Call Home?

This native beauty is found exclusively in New Mexico, making it a true regional specialty. As a plant native to the lower 48 states, it represents the kind of local flora that once dominated specific ecological niches before widespread habitat changes occurred.

The Rarity Factor: Why This Matters

Here’s where things get serious – Mescalero milkwort carries a Global Conservation Status of S3T1, indicating its extremely limited distribution and vulnerable status. This isn’t just another garden plant; it’s a botanical treasure that deserves our respect and protection.

If you’re considering adding this species to your garden, you absolutely must source it responsibly. This means:

  • Never collecting plants from wild populations
  • Only purchasing from reputable nurseries that propagate from legally obtained stock
  • Supporting conservation efforts for rare native plants
  • Understanding that availability will be extremely limited

Should You Grow Mescalero Milkwort?

The honest answer is: probably not, unless you’re a serious native plant conservationist with specific expertise. The extreme rarity of this variety means that most gardeners should focus on more common native milkwort species that can provide similar ecological benefits without the conservation concerns.

However, if you do have access to responsibly sourced plants and want to contribute to conservation efforts, growing Mescalero milkwort could be meaningful work. Just remember that with great botanical rarity comes great responsibility.

Alternative Native Options

Instead of seeking out this rare variety, consider other native milkwort species that might be more readily available and appropriate for home gardens. These alternatives can provide similar aesthetic and ecological benefits while being more sustainable choices for the average gardener.

A Final Thought

Sometimes the most beautiful way to appreciate a rare native plant is to simply know it exists and support the conservation efforts working to protect it in its natural habitat. Mescalero milkwort reminds us that not every plant needs to be in our garden – some are precious enough just living wild and free in their native New Mexico home.

If you do encounter this plant in the wild during your travels, take a moment to appreciate its rarity, snap a photo if appropriate, and leave it undisturbed for future generations to discover and admire.

Mescalero Milkwort

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

Polygalales

Family

Polygalaceae Hoffmanns. & Link - Milkwort family

Genus

Polygala L. - polygala

Species

Polygala rimulicola Steyerm. - Steyermark's milkwort

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