flowers open in acropetal order.Įxamples - Cleome viscosa (Capparidaceae), Crotalaria juncea (Papilionaceae), Brassica juncea, B. stalked flowers opening from base to apex i.e. (i) Raceme – Primary axis or rachis long, bearing pedicellate i.e. Indefinite or racemose inflorescence consists of the following types : oldest flower near the base and the youngest towards the apex, or flowers opening in centripetal manner on a fleshy and dilated rachis called receptacle. rachis is never terminated by a flower, but continues to grow giving off flowers laterally in acropetal order i.e. In this type, the primary floral axis i.e. Definite or Cymose inflorescence and III. Indefinite or Racemose inflorescence, II. Inflorescences are mainly of three types (Green, 1904):. grass inflorescence produced beyond the flower is also known as rachilla. rachis) developing from an underground stem is known as scape. Sometimes the rachis instead of developing into a long axis, is condensed to form fleshy, flat or dilated structure called receptacle. The floral axis of an inflorescence bearing flowers is called rachis and the stalk of the individual flower is known as pedicel.įlowers having pedicels are called pedicellate and those without pedicels i.e. The stalk of the inflorescence is known as peduncle. Inflorescence meaning: Inflorescence is the branch or branch-system bearing flowers or “is the arrangement of flowers on the floral axis and is a branch system”.
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