Sisyrinchium bellum

Sisyrinchium bellum Wats.

Family:  Iridaceae

Habit:  Tufted perennial; stems from 1 to 6 dm. high, almost always with leaf-bearing nodes; leaves narrow and grass-like.   Flower 10.5 to 17 mm. with deep bluish purple to blue-violet color, rarely white.

Distribution:  Common in moist, open grassy areas and woodlands in California and Oregon.

Seed unit:  Free seed (fruit is a loculicidal capsule).

Seed:  1 to 1.5 mm. across, globular to rounded-angular; black, surface reticulated to nearly smooth.  The attachment zone is a puckered-up depression.  Endosperm hard and semi-transparent or whitish. 

Embryo:  Linear embryo.

Purity instructions:   Pure seed definition: 
AOSA:  PSU #1 – Seed, with or without seed coat; broken seed larger than one-half the original size.

Average pure seed units per gram:  804 seeds per gram (based on AOSA pure seed units only from 54 samples received for testing from 1992 to 2003).    

Range of percent pure seed:   95% to 99%

Range of percent inert:  Trace to 3%

Description of inert:   Dirt, plant material, stone.

Planting instructions:  400 seeds, TB, 21 days @ 15°C; for fresh and dormant seed, extend test for up to 3 months, or use TZ.  5°C prechill not recommended.

References:  (link to main reference page)
Hickman, J.C., Ed.  1993.  p. 1156.
Martin, A.C. and W.D. Barkley.  1961.  p. 142.
Munz, P.A. and D.D. Keck.  1968.  p. 1392.
Ransom Seed Laboratory