North America Native Plant

Wingnut Cryptantha

Botanical name: Cryptantha pterocarya var. stenoloba

USDA symbol: CRPTS

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Wingnut Cryptantha: A Rare Desert Annual Worth Knowing Meet the wingnut cryptantha (Cryptantha pterocarya var. stenoloba), a petite desert annual that’s as intriguing as its name suggests. While you won’t find this little wildflower at your local garden center, it represents an important piece of the Southwest’s botanical puzzle and ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Wingnut Cryptantha: A Rare Desert Annual Worth Knowing

Meet the wingnut cryptantha (Cryptantha pterocarya var. stenoloba), a petite desert annual that’s as intriguing as its name suggests. While you won’t find this little wildflower at your local garden center, it represents an important piece of the Southwest’s botanical puzzle and offers lessons for desert gardeners everywhere.

What Makes Wingnut Cryptantha Special

This native forb belongs to the borage family and calls the arid landscapes of Arizona and Nevada home. As an annual plant, it completes its entire life cycle in just one growing season, making the most of brief favorable conditions in harsh desert environments. The wingnut part of its name likely refers to the distinctive winged nutlets (seeds) that give this species its character.

Wingnut cryptantha grows as a non-woody herbaceous plant, meaning it stays relatively small and soft-stemmed throughout its life. Like other members of the Cryptantha genus, it’s built for survival in challenging desert conditions.

Where You’ll Find It Growing Wild

This specialized variety has a limited natural range, occurring only in Arizona and Nevada. It’s adapted to the unique conditions of the Southwestern deserts, where it has evolved alongside other hardy native plants.

A Word About Rarity

Here’s where things get important for conservation-minded gardeners: wingnut cryptantha has a Global Conservation Status of S5T2T3, indicating some level of conservation concern. This means that while you might be curious about growing it, any cultivation should only be done with responsibly sourced seeds or plants—never collected from wild populations.

If you’re interested in supporting this species, consider participating in native seed collection programs or connecting with botanical gardens and conservation organizations working to preserve rare desert plants.

Garden Potential and Alternatives

Given its rarity status and specialized habitat requirements, wingnut cryptantha isn’t really a practical choice for most home gardens. However, its story highlights the incredible diversity of native plants in our deserts and the importance of protecting these unique species.

For desert gardeners looking to capture some of that authentic Southwest charm, consider these more readily available native alternatives:

  • Desert lupine (Lupinus arizonicus) – another beautiful annual wildflower
  • Desert marigold (Baileya multiradiata) – bright yellow blooms and excellent drought tolerance
  • Fairy duster (Calliandra eriophylla) – attracts pollinators and adds delicate texture
  • Ghost plant (Graptopetalum paraguayense) – striking succulent for xeriscaping

What We Can Learn

Even if we can’t grow wingnut cryptantha in our gardens, it teaches us valuable lessons about desert gardening. Annual wildflowers like this one show us how plants can thrive by timing their growth with seasonal rains and favorable conditions. They remind us that successful desert gardening often means working with natural cycles rather than against them.

The existence of specialized varieties like Cryptantha pterocarya var. stenoloba also underscores the incredible botanical diversity hidden in seemingly harsh landscapes. Every desert has its own cast of characters, each perfectly adapted to local conditions.

Supporting Desert Plant Conservation

While you might not plant wingnut cryptantha in your garden, you can still support its conservation:

  • Participate in citizen science projects that document rare plant populations
  • Support organizations working on desert plant conservation
  • Choose native plants for your landscape to reduce pressure on wild plant communities
  • Never collect plants or seeds from wild populations without proper permits

Sometimes the most meaningful way to appreciate a rare plant is simply knowing it exists and doing our part to ensure it continues to thrive in its natural habitat. The wingnut cryptantha may be small and uncommon, but it’s a perfect example of the remarkable adaptability and diversity of our native flora.

Wingnut Cryptantha

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

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Cryptantha Lehm. ex G. Don - cryptantha

Species

Cryptantha pterocarya (Torr.) Greene - wingnut cryptantha

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