North America Native Plant

Scented Beardtongue

Botanical name: Penstemon palmeri var. macranthus

USDA symbol: PEPAM3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon macranthus Eastw. (PEMA16)   

Scented Beardtongue: A Rare Nevada Native Worth Knowing About Meet the scented beardtongue (Penstemon palmeri var. macranthus), a little-known native wildflower that calls Nevada home. This perennial herb is one of those plants that makes you feel like you’ve discovered a hidden treasure – if you’re lucky enough to encounter ...

Rare plant alert!

Region: Conservation status by state

Status: S4S5T2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 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. ⚘

Scented Beardtongue: A Rare Nevada Native Worth Knowing About

Meet the scented beardtongue (Penstemon palmeri var. macranthus), a little-known native wildflower that calls Nevada home. This perennial herb is one of those plants that makes you feel like you’ve discovered a hidden treasure – if you’re lucky enough to encounter it in the wild or find seeds from a reputable native plant supplier.

A Nevada Exclusive

Unlike many native plants that spread across multiple states, scented beardtongue appears to be Nevada’s own special variety. It’s a regional variant of Palmer’s penstemon, distinguished enough to earn its own botanical classification. This herbaceous perennial grows as what botanists call a forb – essentially a soft-stemmed flowering plant that dies back to the ground each winter and returns from its roots each spring.

The Mystery Plant Dilemma

Here’s where things get interesting (and a bit frustrating for us gardeners): scented beardtongue is somewhat of an enigma in the plant world. While we know it exists and that it’s native to Nevada, detailed information about its specific growing requirements, appearance, and garden performance is surprisingly scarce. This could be due to several factors:

  • It may be quite rare in the wild
  • It’s not widely cultivated in gardens
  • It may be very similar to its parent species, Palmer’s penstemon
  • Limited research has been conducted on this specific variety

Should You Grow It?

The short answer is: it depends on your gardening philosophy and patience level. If you’re someone who loves rare natives and enjoys the challenge of growing something unique, scented beardtongue could be right up your alley. However, there are some important considerations:

The Rarity Factor: With its unclear conservation status, this plant may be uncommon in the wild. If you do decide to grow it, make absolutely sure you’re obtaining seeds or plants from ethical, sustainable sources – never collect from wild populations.

The Information Gap: Without detailed growing guides, you’ll be somewhat on your own when it comes to care instructions. You’ll likely need to rely on general penstemon growing advice and your own experimentation.

Growing Scented Beardtongue (Best Guesses)

Since specific cultivation information is limited, here’s what we can reasonably assume based on its native Nevada habitat and relationship to other penstemons:

  • Soil: Likely prefers well-draining, sandy or rocky soils
  • Water: Probably drought-tolerant once established
  • Sun: Most penstemons prefer full sun to light shade
  • Climate: Adapted to Nevada’s desert climate conditions

Alternative Approaches

If you’re drawn to the idea of growing scented beardtongue but can’t find reliable sources or information, consider these alternatives:

  • Palmer’s penstemon (Penstemon palmeri) – the parent species with more available information
  • Other native Nevada penstemons that are better documented
  • Connect with Nevada native plant societies for local expertise
  • Contact botanical gardens in Nevada for cultivation advice

The Bottom Line

Scented beardtongue represents one of those fascinating corners of the native plant world where mystery meets opportunity. While it’s challenging to recommend specific growing techniques without more information, it’s definitely a plant worth keeping on your radar if you’re passionate about rare Nevada natives.

If you do encounter this plant or manage to grow it successfully, consider documenting your experience and sharing it with native plant communities – you might help fill in some of those knowledge gaps for future gardeners!

Remember: when in doubt about rare native plants, always err on the side of conservation and sustainable sourcing. The goal is to celebrate and preserve these unique species, not to put additional pressure on wild populations.

Scented 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 palmeri A. Gray - Palmer's penstemon

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