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Plant Database

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Lewisia cotyledon (Broadleaf lewisia)
Bransford, W.D. and Dolphia

Lewisia cotyledon

Lewisia cotyledon (S. Watson) B.L. Rob.

Broadleaf lewisia, Siskiyou bitter-root, Siskiyou lewisia

Portulacaceae (Purslane Family)


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.


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jun , Jul


Native Distribution: N. CA & s. OR
Native Habitat: Rocky embankments

Growing Conditions

Light 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.


Description: 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

Additional resources

USDA: Find Lewisia cotyledon in USDA Plants
FNA: Find Lewisia cotyledon in the Flora of North America (if available)
Google: Search Google for Lewisia cotyledon


Record Modified: 2007-08-02
Research By: TWC Staff

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