Hansen's Northwest Native Plant Database


Lewisia columbiana, var. rupicola (Columbian Lewisia)

 

Kingdom

 Plantae – Plants

Subkingdom

 Tracheobionta – Vascular plants

Superdivision

 Spermatophyta – Seed plants

Division

 Magnoliophyta – Flowering plants

Class

 Magnoliopsida – Dicotyledons

Subclass

 Caryophyllidae

Order

 Caryophyllales

Family

 Portulacaceae – Purslane family

Genus

 Lewisia Pursh – lewisia

Species

 Lewisia columbiana (Howell ex A. Gray) B.L. Rob. – Columbian lewisia

Variety

 Lewisia columbiana (Howell ex A. Gray) B.L. Rob. var. rupicola (English) C.L. Hitchc. – Columbian lewisia

This tiny Lewisia grows to only 8” tall.

From multiple rosettes of dark, evergreen leaves arise as many as eight sprays of striped or entirely rose-colored flowers.

This species can live for an exceptionally long time, given excellent drainage and acidic, gravelly soil.

In the wild, it grows on rocky slopes and sends a large taproot between the crevices in the rock to anchor itself.

Native west of the Cascades in Washington and Oregon, Columbian Lewisia is hardy only between USDA zones 6-8.

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