UNIVERSITY OF THE WEST INDIES
CAVE HILL CAMPUSDEPARTMENT OF BIOLOGICAL & CHEMICAL SCIENCES
BL14A - BIODIVERSITY I : THE PLANT KINGDOM
LIFE CYCLE OF A SEED PLANT
Stages within the shaded area together comprise
the seed. Single underlining denotes haploid stages, double underlining indicates diploid
stages.
EQUIVALENT TERMS IN LOWER PLANT AND SEED PLANTS
| Lower Plants | Gymnosperms | Angiosperms |
| female gamete female gametophyte megaspore megasporangium megaporophyll male gamete male gametophyte microspore microsporangium microsporophyll sorus/strobilus |
egg cell endosperm megaspore nucellus female cone scale male nucleus tube, generative & prothallial cells pollen grain pollen sac male cone scale cone |
egg cell polar nuclei, synergids etc. embryo sac nucellus carpel male nucleus veg. & generative nuclei pollen grain pollen sac (of anther) stamen flower |
1997-10-01
CMSC