Antirrhinum multiflorum Pennell
Sticky snapdragon (syn. Antirrhinum glandulosum)
Family: Scrophulariaceae
Habit: Glandular sub-shrub 6 to 15 dm. tall, erect.
Distribution: Found in rocky or disturbed places, in chaparral and mountainous areas of south San Francisco Bay and the south coast range.
Seed unit: Free seed with or without seed coat.
Seed: Brown, ovoid, 1 mm. long with broken wing-like ridges.
Embryo: Linear in fleshy endosperm.
Purity instructions: Pure seed definition:
AOSA: PSU #1 - Seed, with or without seed coat.Piece of broken seed, with or without seed coat, larger than one-half the original size.
Lab notes: Pieces of seed coat might be misidentified as pure seed.
Average pure seed units per gram: 5,650 seeds per gram (based on AOSA pure seed units only from four (4) samples received for testing from 1996 to 2001).
Range of percent pure seed: 55% to 64%
Range of percent inert: 35% to 44%
Description of inert: Broken seed, plant material.
Planting instructions: 400 seeds, TB, 12 days @ 20-30°C; for fresh and dormant seed, 15°C and GA3 recommended.
References: (link to main reference page)
Hickman, J.C., Ed. 1993. p. 1015.
Ransom Seed Laboratory
