Plant Reproduction Flashcards
Out of the more than,……… different kinds of plants, more than half are seed plants.
300,000
are the most common plant organs for sexual reproduction
Flowers 🌸
Sex cells
Gametes
Flowers play a key role in…..
is the transfer of pollen (containing the male gametes), from the anther of a flower, to the stigma (receptive surface of the female part of the flower) of the same or a different flower.
Pollination
Flower stalk
Peduncle
Part of flower stalk bearing the floral organs, at base of flower.
Receptacle
Leaf-like structures at flower base, protects young flower bud.
Sepal
collective term for all sepals
present in a flower.
Calyx
Located in and above the sepals, often large and colorful, sometimes scented, sometimes producing nectar.
Attracts pollinators
Petals
All the petals together form the …
Corolla
Refers both to sepals and petals.
Perianth
Male part of the flower, consisting of the anther and filament, makes pollen grains
Stamen
collective term for all the stamens present in a flower.
Androecium
The stalk of the stamen which bears the anther.
Filament
The pollen bearing portion of a stamen
Anther
Grains containing the male gametes. Immature male gametophyte with a protective outer covering
Pollen
Female part of the flower.
Consisting of the stigma, style and ovary
Carpel/Pistil
collective term for all the pistils present in a flower.
Gynoecium
Often sticky top of carpel,
serves as a receptive surface for pollen
grains
Stigma
The stalk of a carpel, between the stigma and the ovary, through which the pollen tube grows.
Style
Enlarged base of the carpel containing the ovule or ovules. The ovary matures to become a fruit.
Ovary
Located in the ovaries. Carries female gametes. Ovules become seeds on fertilization.
Ovule
other parts are attached below the ovary
Hypogynous (superior ovary)
other parts are attached above the ovary
Epigynous (inferior ovary)
sepals, petals, and stamens are fused to form a cup around ovary
Perigynous (intermediate)
A flower containing all the floral parts: sepals, petals, stamens and pistil
Complete flower
a flower that lacks one or more of the floral parts.
Incomplete flower
a flower in which the corolla is made up of similarly shaped petals equally spaced and radiate from the center of the flower. Other flower parts also have a similar arrangement.
Regular flower
a flower in which one or more members of at least one whorl are of different form from the other members of the same whorl.
Ireegular flower
flower having both stamen and pistil.
Perfect flower
One has stamen or pistil but not both
Imperfect flower
one in which the male and female sec structures are borne on the same plant but not in the same flower.
Monoecious
One in which the male and female reproductive organs are on separate plants
Dioecious
a matured ovary or group of ovaries usually containing seed, together with any adjacent parts adhering to them
Fruit
