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Slender Penstemon
Penstemon gracilentus
About Slender Penstemon (Penstemon gracilentus) 1 Nurseries Carry This Plant Penstemon gracilentus is a species of penstemon known by the common name slender beardtongue. It is native to the mountains and sagebrush plateau of northeastern California, western Nevada, and southern Oregon, where it grows in forest, woodland, and scrub habitat. It is a perennial herb producing upright branches to about 65 centimeters in maximum height, the stems developing woody bases. The leaves are up to 10 centimeters in length and linear or lance-shaped. The hairy flower cluster produces several tubular purple flowers up to 2 centimeters long. The mouth of each flower may be hairless or coated in long hairs, and the staminode usually has a coat of yellow hairs.
Plant Description
Plant Type
Plant Type
Perennial herb

0.8 - 2.1 ft tall

Flower Color
Flower Color
Blue, Purple

Wildlife Supported

Landscaping Information
Full Sun, Part Shade


Common uses
Common uses
Hummingbird Gardens, Butterfly Gardens, Bee Gardens

Sunset Zones
Sunset Zones?
1, 2, 3, 7, 14, 15, 16, 18, 19, 20, 21

Natural Setting
Annual Precipitation: 11.9" - 120.2", Summer Precipitation: 0.87" - 4.08", Coldest Month: 10.8" - 39.6", Hottest Month: 34.1" - 64.2", Humidity: 0.46" - 19.29", Elevation: 1881" - 14113"

Alternative Names
Common Names: Slender Beardtongue

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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