Meaning of hat plant in English:

hat plant

noun

  • 1(Originally) any of various plants, the pith or leaf fibres of which are used to make hats and other woven objects, especially the rice paper plant, Aeschynomene aspera (now rare).

  • 2(In later use) any of various plants, the flowers, foliage, etc., of which are thought to resemble a particular type of hat.

Origin

Late 19th century.