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Keckiella breviflora

A drought-tolerant, deer-resistant, gray-leaved, sprawling shrub with white flowers that thrives in high-elevation chaparral and pine-oak woodland habitats and is attractive for bird and butterfly gardens.

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Common Names

Bush Beardtongue, Gaping Penstemon, Yawning Penstemon

Summary

This gaping penstemon is native to California and Nevada and grows as a subshrub or shrub reaching 2–7 ft in height, with slender branching and opposite leaves; its white, two-lipped tubular flowers form a gaping mouth marked with purple lines.

Prefers well-drained soils in full sun to partial shade, with drought-tolerant, low to very low water needs; hardy in USDA zones 6–10 and tolerates soils with pH 5.3–6.9; supports hummingbirds, bats, birds, bees, caterpillars, and butterflies, making it suitable for butterfly and bird gardens.

Lifecycle

Perennial

Height

3-6 feet

Spread

7 ft

Hardiness Zones

Zones 6-10

Sunlight Requirements

Ideally full sun, tolerates partial shade.

Soil Type

Well-drained soil

Soil Drainage

Well-drained

Soil pH

5.3-6.9

Bloom Color

White

Bloom Time

Spring and Summer

Foliage Color

Green

Fall Foliage Color

Gray

Leaf Lifecycle

Deciduous

Growth Rate

Not specified

Seasons of Interest

Spring and Summer

Propagation Methods

Seeds, Division, Cuttings, Layering

Attracts Wildlife

Attracts hummingbirds, butterflies, birds

Taxonomy

Taxonomic Rank
Species
Author
(Lindl.) Straw
Publication
Brittonia 19: 203 (1967)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Lamiales
Family
Plantaginaceae
Genus
Keckiella

Inferior Taxa

Keckiella breviflora var. breviflora Keckiella breviflora var. glabrisepala

Synonyms

Keckia breviflora Penstemon breviflorus subsp. typicus Penstemon breviflorus

References

Yosemite Wildflowers: Yawning Penstemon (Keckiella…. yosemitehikes.com.
Gaping Keckiella - Calscape. calscape.org.
Keckiella breviflora (Lindl.) Straw | Plants of th…. powo.science.kew.org.
Keckiella breviflora. sbwildflowers.wordpress.com.
Keckiella breviflora. species.wikimedia.org.
Keckiella breviflora - University and Jepson Herba…. ucjeps.berkeley.edu.
Keckiella breviflora | bush beardtongue. wildflowersearch.org.
Hairless Gaping Keckiella. calscape.org.
Bush Beardtongue (Keckiella breviflora ssp. brevif…. fws.gov.
Keckiella breviflora, Yawning Penstemon. - Las Pil…. laspilitas.com.
Keckiella breviflora - Linda Vista Native Plants. lindavistanatives.com.
Keckiella breviflora – Sacramento Valley CNPS. sacvalleycnps.org.
Keckiella breviflora (Keckiella, Breviflora, Short…. selinawamucii.com.
Keckiella breviflora – The Watershed Nursery Coope…. watershednursery.com.
Keckiella breviflora (Bush beardtongue) | Native P…. wildflower.org.
World Flora Online. worldfloraonline.org. June 2024.