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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 |
