# Smoothleaf Beardtongue (*Penstemon leiophyllus*)

The Smoothleaf Beardtongue is a beautiful flower with smooth leaves and tall stems. It blooms with lovely purple flowers that attract bees and butterflies, making gardens colorful and lively!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Grasslands

![Smoothleaf Beardtongue](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Penstemon_leiophyllus_var_keckii_1.jpg&width=800)

Photo: Stan Shebs, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Penstemon_leiophyllus_var_keckii_1.jpg)

## Appearance

The Smoothleaf Beardtongue has upright stems topped with clusters of striking tubular flowers, typically lavender to purplish. Its lance-shaped leaves are smooth and glossy, contrasting with the often-hairy foliage of other Penstemon species. A distinctive fuzzy "beardtongue" sterile stamen peeks from inside each bloom.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Lamiales
- **Family:** Plantaginaceae
- **Genus:** Penstemon

## Interesting facts

- Its scientific name, 'leiophyllus,' actually means 'smooth leaf' in Greek!
- Penstemons have one of the highest numbers of species in North America!
- Some Penstemon species are shaped perfectly to be pollinated by hummingbirds!
- The plant's 'beardtongue' is a fuzzy, sterile stamen, not a real tongue!

## Special abilities

- **Drought Defender:** Smoothleaf Beardtongue can thrive in dry, rocky soils that other plants avoid, helping it survive in harsh places.
- **Pollinator Beacon:** Smoothleaf Beardtongue has vibrant purple, tubular flowers that attract specific long-tongued bees for pollination.
- **Tough Rooter:** Smoothleaf Beardtongue can anchor itself strongly in thin, rocky soils, helping it resist erosion and find moisture.

## Measurements & details

- **Height:** 30-75 cm
- **Spread:** 30-45 cm
- **Flower Size:** 2-4 cm
- **Bloom Season:** Late spring to early summer
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Eastern Bumblebee (*Bombus impatiens*) — collects nectar and pollen
- **Pollinates:** Neighborly Mining Bee (*Andrena vicina*) — visits flowers for nectar
- **Pollinates:** European Honey Bee (*Apis mellifera*) — gathers nectar and pollen

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
- [Tube Flower](https://www.snappit.app/explore/traits/tube-flower): A tube flower has petals fused together at the base, forming a distinct tubular structure that typically holds nectar deep within.
- [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch flowers without asking an adult.

## Frequently Asked Questions

### How to identify Smoothleaf Beardtongue?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is Smoothleaf Beardtongue?

30-75 cm

### How wide does Smoothleaf Beardtongue spread?

30-45 cm

### How big are the flowers on Smoothleaf Beardtongue?

2-4 cm

### When does Smoothleaf Beardtongue bloom?

Late spring to early summer

### Is Smoothleaf Beardtongue edible?

No

### Is Smoothleaf Beardtongue toxic?

Mild

### What is Smoothleaf Beardtongue's lifecycle?

Perennial

## Where to spot

- [Cedar Breaks National Monument](https://www.snappit.app/guides/places/cedar-breaks-national-monument) — Utah, US · National Park

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

---

Source: [Smoothleaf Beardtongue: Facts & Places to See — Snappit](https://www.snappit.app/explore/smoothleaf-beardtongue)
