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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Eriogonum (sphaerocephalum)

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: Polygonaceae
Family Common Name: Buckwheat family
Scientific Name: Eriogonum sphaerocephalum Douglas ex Benth.
Common Name: Rock buckwheat
Species Code: ERSP7
Ecotype: USFS, Ochoco National Forest, Crooked River National Grassland, Prineville, Oregon: 3200 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0 Weeks
Propagule Collection: Small lot, 14.047 pounds, hand collected into paper bags.
Propagule Processing: METHOD OF CLEANING: Seed lot is first processed using a Westrup Model LA-H laboratory brush machine, with a #40 mantel, at a speed of 3, to remove seed from flowerheads. Lot was then air-screened, to remove remaining chaff and inert material, using an office Clipper, with a top screen: 6 round and a bottom screen: 1/21 round, high speed, and low to medium air. Number of Seeds per Pound: 198,000, Purity: 98%, X-Ray 100 Seeds: 95% Filled, TZ: 96% (Oregon State University Seed Laboratory Analysis)
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Eriogonum sphaerocephalum Douglas ex Benth. seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/03). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.