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)
