Flower Vocabulary

anther
The terminal pollen sac of a stamen, inside which pollen grains with male gametes form in the flower of an angiosperm.
carpel
The female reproductive organ of a flower, consisting of the stigma, style, and ovary
complete flowers
The flower has all four floral organs: sepals, petals, stamens and pistil.
dioecious
A plant species with male and female plants.
fertilization
The union of haploid gametes to produce a diploid zygote.
filament
The stalk of a stamen.
flower
In an angiosperm, a short stem with four sets of modified leaves, bearing structures that function in sexual reproduction.
fruit
A mature ovary of a flower that protects dormant seeds and aids in their dispersal.
monoecious
A plant species with separate male and female flowers on the same plant.
ovary
the portion of a carpel in which the egg-containing ovules develop.
ovule
A structure that develops in the plant ovary and contains the female gametophyte
perfect flower
has both stamens and pistils.
petals
A modified leaf of a flowering plant. Petals are the often colorful parts of a flower that advertise it to insects and other pollinators
pistils
The female reproductive organ of the flower, consisting of the stigma, style and ovary.
pollen
In a seed plant, the male gametophytes that develop within the anthers of stamens.
pollination
The placement of pollen onto the stigma of a carpel by wind or animal carriers, a prerequisite to fertilization.
seed
An adaptation for terrestrial plants consisting of an embryo packaged along with a store of food within a resistant coat.
sepals
A whorl of modified leaves in angiosperms that encloses and protects the flower bud before it opens.
stamen
The male reproductive organ of a flower, consisting of an anther and filament.
stigma
The sticky part of a flower's carpel, which traps pollen grain (plural, stigmata).
style
The stalk of a flower’s carpel, with the ovary at the base and the stigma at the top