Definition of soap plant in US English:

soap plant


  • A plant of the lily family with white flowers, found in dry habitats of California. The fiber-covered bulbs were used as soap by North American Indians.

    Genus Chlorogalum, family Liliaceae: two species, the wavy-leaved C. pomeridianum and the narrow-leaved C. angustifolium

    • ‘The whole plant was gathered and crushed and thrown into the pools and streams in the same way as Soap Plant was used.’
    • ‘Soap plant was used as emergency food during lean acorn years.’