Eriogonum latifolium Smith
Coast buckwheat
Family: Polygonaceae
Habit: Pink flowered shrub, perennial 10 to 70 cm., woody, densely leafy; lanate under leaves.
Distribution: Common on coastal bluffs, scrub, north and central California coast to Washington.
Seed unit: Three-sided achene with or without perianth.
Seed: 3 to 4 mm. long, glabrous, lance-ovoid, outer wall (pericarp) firm, brittle.
Embryo: Peripheral, curved embryo and hard starchy endosperm.
Purity instructions: Pure seed definition:
AOSA: PSU#29 - Intact achene with or without perianth, whether or not a seed is present. Piece of broken achene larger than one half of the original size, unless no seed is present.
Lab notes: Often achenes with floral parts are immature and empty.
Average pure seed units per gram: 1,114 seeds per gram (based on AOSA pure seed units only from 15 samples received for testing from 1992 to 2002).
Range of percent pure seed: 33% to 95%
Range of percent inert: 4% to 59%
Description of inert: Broken seed, plant material.
Planting instructions: 400 seeds, TB, 21 days @ 20°C; for fresh and dormant seed, prechill recommended.
References: (link to main reference page)
Hickman, J.C., Ed. 1993. p. 874.
Munz, P.A. and D.D. Keck. 1968. p. 351.
Ransom Seed Laboratory
