Lotus heermannii

Lotus heermannii (Dur. and Hilg.) Greene
Heermann’s Lotus

Family: Fabaceae 

Habit:  Perennial, with many prostrate stems 3 to 10 dm. long forming mats.

Distribution:  Found on moist banks and canyons below 6000 ft. in washes and riverbanks in coastal sage scrub and foothill chaparral from Sonoma County to San Diego County, California.

Seed unit:  1- to 2-seeded pod; free seed.

Seed:  Oblong, curved, greenish to mottled brown with small hilum.  Often in pods, one-seeded, villous, arcuate with a long uncurved beak.

Embryo:  Foliar, radicle folded, radicle tip at the hilum in the middle of the seed. 

Purity instructions:  Pure seed definition:
AOSA:  PSU#9 - Intact pod, with our without calyx or bracts, whether or not a seed is present. Seed with at least a portion of the seed coat attached. Brocken seed larger than one-half the original size with at least a portion of the seed coat attached.
ISTA: PSD#10 - Seed, with or without testa. Piece of seed larger than one-half the original size, with or without testa.

Average pure seed units per gram:  664 seeds per gram (based on AOSA pure seed units only from 9 samples received for testing from 1997 to 2002). 

Range of percent pure seed:  22% to 89%

Range of percent inert:  10% to 77%

Description of inert:  Plant material, stone, insects.

Planting instructions:  400 seeds, T, 21 days @ 20°C; for fresh and dormant seed, prechill recommended. 

References:  (link to main reference page)
Hickman, J.C., Ed.  1993.  p. 619
Munz, P.A. and D.D. Keck.  1968.  p. 847.
Ransom Seed Laboratory