calyptrogen

[ kuh-lip-truh-juh n ]
/ kəˈlɪp trə dʒən /

noun Botany.

the histogen layer that develops into the root cap.

Origin of calyptrogen

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

British Dictionary definitions for calyptrogen

calyptrogen
/ (kəˈlɪptrədʒən) /

noun

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 Origin for calyptrogen

C19: from calyptra + -gen