North America Native Plant

Nipple Beach Phacelia

Botanical name: Phacelia mammillarensis

USDA symbol: PHMA10

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Nipple Beach Phacelia: A Rare Utah Endemic Worth Protecting Meet the Nipple Beach phacelia (Phacelia mammillarensis), one of Utah’s most elusive native wildflowers. This little-known annual herb represents a fascinating piece of the American Southwest’s botanical puzzle, though it’s not one you’re likely to encounter in your local garden center—and ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Nipple Beach Phacelia: A Rare Utah Endemic Worth Protecting

Meet the Nipple Beach phacelia (Phacelia mammillarensis), one of Utah’s most elusive native wildflowers. This little-known annual herb represents a fascinating piece of the American Southwest’s botanical puzzle, though it’s not one you’re likely to encounter in your local garden center—and for good reason.

What Makes This Plant Special

The Nipple Beach phacelia belongs to the waterleaf family and grows as an annual forb, meaning it’s a non-woody herbaceous plant that completes its entire life cycle in a single growing season. Like other members of the Phacelia genus, it likely produces clusters of small, delicate flowers that would be quite charming if you were lucky enough to spot them in the wild.

Where You’ll Find It (If You’re Very Lucky)

This remarkable plant calls Utah home and only Utah—making it what botanists call an endemic species. Its extremely limited geographic range is part of what makes it so special and so vulnerable.

A Plant That Needs Our Protection

Here’s where things get serious: Nipple Beach phacelia has a Global Conservation Status of S3, which translates to Vulnerable. This classification means the species faces real risks due to its rarity and restricted range. Experts estimate there are only 21 to 100 known populations worldwide, with somewhere between 3,000 and 10,000 individual plants total. In botanical terms, those are pretty sobering numbers.

Should You Try to Grow It?

While we’d love to give you detailed growing instructions, the reality is that this plant isn’t suitable for home cultivation—at least not in the traditional sense. Here’s why:

  • Its vulnerable conservation status means wild collection would be harmful to remaining populations
  • As an endemic species with specific habitat requirements, it likely has very particular growing needs that would be difficult to replicate
  • No commercial sources exist for seeds or plants
  • Cultivation information simply isn’t available due to its rarity

How You Can Help Instead

Rather than trying to grow this rare beauty, consider these alternatives:

  • Plant other native Utah Phacelia species that are more common and available from reputable native plant nurseries
  • Support local conservation organizations working to protect rare plant habitats
  • Learn to identify rare plants in your area and report sightings to local botanists or conservation groups
  • Choose widely available native annuals that provide similar ecological benefits

The Bigger Picture

The story of Nipple Beach phacelia reminds us that our native plant communities include incredibly rare and specialized species that exist nowhere else on Earth. While we can’t bring every rare plant into our gardens, we can appreciate their role in the larger tapestry of biodiversity and work to protect the habitats where they thrive.

Sometimes the most meaningful way to honor a plant is to leave it where it belongs—in its native habitat, contributing to the unique ecological community it calls home. In the case of Phacelia mammillarensis, that respectful distance might be the best gift we can give this vulnerable Utah endemic.

Nipple Beach Phacelia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Phacelia Juss. - phacelia

Species

Phacelia mammillarensis N.D. Atwood - Nipple Beach phacelia

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