RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home → Native Plant Network
 
NPN Protocol Details Image

Penstemon (speciosus)

Jim Barner
Seed Extractory Manager
USDA FS - R6 Bend Seed Extractory
63095 Deschutes Market Rd.
Bend, Oregon 97701
541-383-5481
541-383-5498 (fax)
jbarner@fs.fed.us
http://fsweb-ochdes.r6.fs.fed.us/seedextractory/ex
Family Scientific Name: Scrophulariaceae
Family Common Name: Figwort family
Scientific Name: Penstemon speciosus Dougl. ex Lindl.
Common Name: Royal penstemon
Species Code: PESP
Ecotype: USFS, Rocky Mountain Research Station - Interstate Highway 84, Idaho; 2500 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Small lot, 1.1 pounds, hand collected into paper bag.
Propagule Processing: METHOD OF CLEANING: Seed cleaned using a Westrup Model LA-H laboratory brush machine, with a #7 mantel, at medium speed. Lot was then air-screened using a office Clipper, with a top screen, 9 round or 9 triangle and a bottom screen, 1/24 round, medium speed, medium air. Number of Seeds per Pound: 553,170, Purity: 97%, X-Ray 96 Seeds: 95% Filled
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit

Citation:

Barner, Jim. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Penstemon speciosus Dougl. ex Lindl. seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/21). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.