Presentation Transcript
The Parts of a Flower This lesson is from Virginia Tech and has not been edited by the Georgia Curriculum Office.: The Parts of a Flower This lesson is from Virginia Tech and has not been edited by the Georgia Curriculum Office.
Parts of a Flower : Parts of a Flower Sepal
Petals
Stamen
Pistil
Receptacle
*See Handout 1
Sepal: Sepal Green, leaf-like structure
Fold back when flower opens
Collectively called the calyx
Petals: Petals Inside the sepals
Leaf-like
Colorful
Attractant for pollinators
Stamen: Stamen Male reproductive parts
Consists of a filament & anther
Produces pollen
Pollen contains male sex cell
Pistil: Pistil Female reproductive part
3 main parts
Stigma
Style
Ovary
Receptacle: Receptacle Swollen portion of the stem
Flower parts are attached
Pollination: Pollination Pollen transferred from anther to stigma
Transfer take place via
Animals
Wind
*See Handout 2
Fertilization: Fertilization Pollen fuses with the egg
Forms a new plant
Self-pollination
Cross-pollination
Cross-Pollination: Cross-Pollination Used to develop new cultivars
Occurs between closely related plants
Review: Review Flowers have 5 main parts
Sepals, Petals, Stamen, Pistil, & Receptacle
Stamen is the male part
Pistil is the female part
Fertilization is where the pollen fuses with the egg
Cross-pollination occurs between two different plants