1. Plural of pilewort; plants of the genus Ficaria, especially Ficaria verna, a small spring-flowering plant with glossy leaves and yellow flowers, native to Europe and naturalized in North America.
Usage: Also called lesser celandine; Botanical term; Often considered an invasive species in some regions

Examples

• The pileworts bloomed early in the spring garden.
• Gardeners often struggle to control pileworts because they spread rapidly.
• The bright yellow flowers of pileworts are easy to spot in woodland areas.
• Some regions classify pileworts as invasive plants due to their aggressive growth.
• Pileworts typically flower from March to May in temperate climates.