North America Native Plant

Keck’s Beardtongue

Botanical name: Penstemon leiophyllus var. keckii

USDA symbol: PELEK

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon keckii Clokey (PEKE2)   

Keck’s Beardtongue: A Rare Nevada Native Worth Knowing About Meet Keck’s beardtongue (Penstemon leiophyllus var. keckii), one of Nevada’s most elusive native wildflowers. While you probably won’t find this little gem at your local nursery, it’s worth understanding what makes this rare perennial so special – and why it’s better ...

Rare plant alert!

Region: Conservation status by state

Status: S3T2: 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) ⚘ 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 ⚘

Keck’s Beardtongue: A Rare Nevada Native Worth Knowing About

Meet Keck’s beardtongue (Penstemon leiophyllus var. keckii), one of Nevada’s most elusive native wildflowers. While you probably won’t find this little gem at your local nursery, it’s worth understanding what makes this rare perennial so special – and why it’s better appreciated in the wild than in your backyard.

What Makes Keck’s Beardtongue Special?

This perennial herb belongs to the beloved Penstemon family, known for their tubular flowers that pollinators absolutely adore. As a forb, Keck’s beardtongue lacks woody stems but compensates with its specialized adaptation to Nevada’s unique desert conditions. Also known by its scientific synonym Penstemon keckii Clokey, this plant represents the incredible diversity within the Penstemon genus.

Where Does It Call Home?

Keck’s beardtongue is exclusively found in Nevada, making it a true Silver State endemic. Its extremely limited geographic distribution is part of what makes this plant so remarkable – and so rare. This isn’t a plant you’ll stumble across on a casual desert hike; it occupies very specific habitats within Nevada’s diverse landscape.

The Rarity Factor: Why You Should Think Twice

Here’s where things get serious: Keck’s beardtongue has a Global Conservation Status of S3T2, indicating it faces significant conservation concerns. This rarity status means several important things for gardeners:

  • The plant is vulnerable to extinction
  • Removing specimens from the wild is highly discouraged and may be illegal
  • Seeds or plants should only be obtained from reputable, licensed sources
  • Growing it successfully requires very specific conditions that are difficult to replicate

If you’re determined to grow a rare Nevada native, make sure any plant material comes from ethical, conservation-minded sources that propagate rather than wild-harvest their specimens.

Growing Challenges and Considerations

Let’s be honest: Keck’s beardtongue isn’t beginner-friendly. Its highly specialized nature means it has very particular needs that most home gardens simply can’t provide. The fact that it’s restricted to such a small geographic area tells us it requires very specific soil, climate, and ecological conditions to thrive.

Without detailed knowledge of its exact growing requirements – information that’s currently limited even among botanical experts – attempting to cultivate this rare beauty could be an exercise in frustration.

Better Alternatives for Your Garden

Instead of wrestling with this rare species, consider these more readily available native Penstemon options that will give you similar beauty with much better success rates:

  • Palmer’s penstemon (Penstemon palmeri) – showy pink flowers and Nevada native
  • Firecracker penstemon (Penstemon eatonii) – brilliant red blooms loved by hummingbirds
  • Desert beardtongue (Penstemon pseudospectabilis) – pink to purple flowers and drought-tolerant
  • Rocky Mountain penstemon (Penstemon strictus) – deep purple spikes and cold-hardy

Supporting Conservation Instead

The best way to help Keck’s beardtongue isn’t by trying to grow it in your garden, but by supporting conservation efforts that protect its native habitat. Consider donating to Nevada-based native plant societies or participating in citizen science projects that monitor rare plant populations.

You can also practice responsible hiking and desert exploration by staying on designated trails and never collecting plants from the wild – especially rare ones like Keck’s beardtongue.

The Bottom Line

While Keck’s beardtongue is undoubtedly a fascinating piece of Nevada’s botanical heritage, it’s best appreciated from a respectful distance. Its rarity makes it unsuitable for home cultivation, and its specialized needs make success unlikely even with the best intentions.

Instead, channel your native plant enthusiasm into growing more common (but equally beautiful) Penstemon species that will reward your efforts with gorgeous blooms while supporting local pollinators. Save the rare ones for admiring in their natural habitat – that’s where they belong and where they’re most likely to survive for future generations to discover and appreciate.

Keck’s Beardtongue

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Penstemon Schmidel - beardtongue

Species

Penstemon leiophyllus Pennell - smoothleaf beardtongue

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