gemma [ jem] ′ə
noun pl. gemmae Biol. a budlike outgrowth which becomes detached and develops into a new organism, as in certain liverworts Origin: L: see gem Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. gem·mae Botany
An asexual budlike propagule as in liverworts, capable of developing into a new individual; a bud.
Origin: Latin, bud; see gembh- in Indo-European roots. The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. gemma - Science Definition
Plural gemmae gemmae
A budlike mass of undifferentiated tissue which serves as a means of vegetative reproduction among mosses and liverworts. The gemmae, often formed in structures called
gemma cups, are usually dispersed from the parent plant by the splashing of raindrops, after which they develop into new individuals. The American Heritage® Science Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.