Trichostema lanatum Benth.
Woolly bluecurls, Romero
Family: Lamiaceae
Habit: Shrub 5 to 15 dm. tall, rounded, many-branched, strong-scented. Flowers in dense, violet- to purplish, woolly, interrupted spikes.
Distribution: Found on dry slopes, chaparral, coast ranges near the California coast from Monterey and San Benito County to Baja California.
Seed unit: Nutlet.
Seed: Fruit with 2 to 4 nutlets, each 2 to 4 mm. long, irregularly reticulate, minutely hirsute. (Individual nutlets are considered the seed unit.)
Embryo: Linear.
Purity instructions: Pure seed definition:
AOSA: PSU #10 – Intact nutlet, whether or not a seed is present. Piece of broken nutlet larger than one-half of the original size, unless no seed is present. Seed, with or without seed coat. Piece of broken seed, with or without seed coat, larger than one-half the original size.
Lab notes: Seeds of this species are often deeply dormant; a TZ test may be used to determine viability of firm, ungerminated seeds.
Average pure seed units per gram: 605 seeds per gram (based on AOSA pure seed units only from 31 samples received for testing from 1999 to 2005).
Range of percent pure seed: 11 to 75%
Range of percent inert: 23 to 87%
Description of inert: Plant material, sticks, dirt, broken seed, stone.
Planting instructions: 400 seeds, TB, 21 days @ 15°C; for fresh and dormant seed, GA3 recommended.
References: (link to main reference page)
Hickman, J.C., Ed. 1993. p. 732.
Munz, P.A. and D.D. Keck. 1968. p. 693.
Ransom Seed Laboratory
