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Bransford, W.D. and Dolphia
Lewisia cotyledon (S. Watson) B.L. Rob.
Broadleaf lewisia, Siskiyou bitter-root, Siskiyou lewisia
USDA Symbol: LECO5
USDA Native Status: L48 (N)
Neat rosettes of fleshy, spoon-shaped leaves are formed close to the ground. Leafless branched stalks growing from a dense basal rosette of succulent leaves and topped by flowers with 8-10 pale to deep pink or white-and-red-striped petals. From these rise flowering stalks to 1 ft., each with large, showy, white or pink-striped flowers in short panicles.
This plant forms beautiful bouquets on precipitous cliffs, to which it clings by a massive root tightly wedged in a tiny cleft. Because of its precise adaptation to its rugged habitat, it finds the gentle environment of the garden inhospitable; though it may persist for a number of years, it ultimately perishes.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Pink
Bloom Time: Jun , Jul
, OR Native Distribution:
& s. OR Native Habitat:
Growing ConditionsLight Requirement:
Part Shade Soil Description:
Perfectly drained, rocky soils Conditions Comments:
One of the easiest native
lewisias for culture. Must have perfect
drainage as the taproot
is easily rotted. Must have a dry dormancy after seeding. Best for rock gardens.
PropagationDescription: Propagate by seed. Sow outdoors in late fall (maximum temperature must be less than 50 degrees); or enclose in plastic bag with moist peat or vermiculite and refrigerate for 3-4 months. Remove and pot germinating seeds bi-weekly. Germination starts in
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Record Last Modified: 2007-08-02
Research By: TWC Staff