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Four types of specialized leaves
Sepals, petals, stamens, pistils
Sepals
outermost circle that encloses bud before opening
Petals
Brightly colored, located within sepal
Stamen
male part of flower
Pistil
Female part of flower
Filament
Stalk portion of stamen
Anther
sac at top of filament, produces pollen
Ovary
Base of flower where haploid female gametophyte is produced
Style
thin stalk that connects the stigma to the ovary
Stigma
where pollen enters
What does the first nuclei do during double fertilization
fuses with egg to produce zygote
What does the second nuclei do during double fertilization
fuses with 2 polar nuclei to form endosperm