bilobed anther

dithecous anther

microsporangia

pollen sacs

tapetum

sporogenous tissue

microsporogenesis

microspores

sporopollenin

germ pores

parthenium

pollen banks

megasporangium

monocarpellary

multicarpellary

syncarpous

apocarpous

locule

placenta

funicle

hilum

integuments

micropyle

chalaza

nucellus

embryo sac

megasporogenesis

monosporic development

free nuclear divisions

pollination

autogamy

chasmogamy

cleistogamy

geitonogamy

xenogamy

outbreeding devices

dioecy

artificial hybridization

emasculation

bagging

double fertilization

endosperm

proembryo

globular embryo

heart-shaped embryo

mature embryo

epicotyl

hypocotyl

scutellum

coleorhiza

coleoptile

perisperm

pericarp

false fruits

parthenocarpic fruits

apomixis

polyembryony