Clematis ligusticifolia Nutt.
Clematis, Yerba de Chivato
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