Clematis ligusticifolia Nutt.
Clematis, Yerba de Chivato

Family:  Ranunculaceae

Habit:  4 to 6 m. high, climbing, glabrous except in inflorescence.

Distribution:  Found in many places along streams, wet places in coastal areas usually hanging from trees; California to Baja California, South Dakota and New Mexico.

Seed unit:  Achene.

Seed:  One-seeded achene with persistent elongated feathery style.

Embryo:  Basal embryo in fleshy endosperm.

Purity instructions:  Pure seed definition:
AOSA:  PSU#39 - Intact achene with or without style, hairs, and/or spines, whether or not a seed is present. Piece of broken achene larger than one-half of the original size, unless no seed is present.

Average pure seed units per gram:  904 seeds per gram (based on AOSA pure seed units only from 3 samples received for testing from 2000 to 2002).

Range of percent pure seed:  33% to 62%

Range of percent inert:  37% to 66%

Description of inert:  Plant material, sticks.

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

References: (link to main reference page)
Hickman, J.C., Ed.  1993.  p. 914.
Ransom Seed Laboratory