Flower: The flower is a modified shoot which shows distinct nodes and internodes and the stalk of the flower is called pedicel .
Inflorescence: Inflorescence is a group of flowers arranged on a floral axis which does not show distinct nodes and internodes and the stalk of the flower is called peduncle.
Petal is the part of the flower which is the non-essential whorls that are brightly colored to attract insects for pollination process.
Petaloid is resembling the petal of a flower when the perianth is non-green
Polyandrous Androecium is when stamens are many free e.g., Corchorus.
Polyadelphous Androecium is when filaments are united in many groups with their anthers remaining free e.g., Ricinus, Citrus etc.