FLOWER

Flower Anatomy (cont.) Stamen The male part of a flower Filament - stalk like holds up anther Anther.- contains pollen which is grain released by flowers, containing the sperm. Staminate = flower with only male parts

Flower Anatomy (cont.) Pistil The female part of a flower Stigma - sticky tissue at its end, receptive to pollen Style - rod-shaped middle part holding up stigma Ovary - swollen base containing eggs Pistillate = flower with only female parts Once the pollen reaches the stigma, it forms a pollen tube down through the style to the ovary where sperm is deposited.

Flower Anatomy (cont.) Petals Corolla Sepal Calyx Receptacle Pedicel Colorful leaf like structures that attract pollinators Corolla Petals fused together Sepal Green leaf like parts that protect the flower bud/petals Calyx Sepals fused together Receptacle Point of attachment of all major flower parts Pedicel Flower stem

Flower Classification Complete Has sepals, petals, pistils, and stamens Incomplete (CAN BE PERFECT OR IMPERFECT) Missing either sepals, petals, pistils and/or stamens Perfect Has both pistils and stamens Imperfect (ALWAYS INCOMPLETE) Missing either pistils or stamens

Monocot VS Dicot Flowers Monocots Flower parts in multiples of 3 Male & female parts on SAME plant Examples: corn, cucumber, oak Dicots Flower parts in multiples of 4 or 5 Male & female parts on SEPARATE plants Examples: soy, kiwi, asparagus

Inflorescences Inflorescence = cluster of flowers on the stem branching system of the stem Main stem = peduncle Pedicels that branch from the peduncle support individual flowers