calyptrogen

[ kuh-lip-truh-juhn ]

noun

, Botany.

1. the histogen layer that develops into the root cap.

calyptrogen

/ kəˈlɪptrədʒən /

noun

1. a layer of rapidly dividing cells at the tip of a plant root, from which the root cap is formed. It occurs in grasses and many other plants

Word History and Origins

Origin of calyptrogen¹

1880–85; calyptro- (combining form of calyptra ) + -gen

Word History and Origins

Origin of calyptrogen¹

C19: from calyptra + -gen