Question

explain the following terms and give one example for each:cruciform petal; marginal placentation; diadelphous stamen

Answer 1

Answer:

CRUCIFORM COROLLA IS SIMILAR TO A ROTATE COROLLA BUT IT IS CROSS SHAPED MEANING THAT IT IS FOUR parted PLANTS IN FAMILY BRASSICACEAE ( THE mustards) INCLUDING CARDAMINE DOUGLASSI (PURPLE SPRING CRESS ) CARDAMINE DOUGLASSI LIKE ALL MUSTARDS HAS AN CRUCIFORM COROLLA.

Marginal placentation: Here the placenta forms a ridge along the ventral suture of the ovary and the ovules are borne on this ridge forming two rows. It is characteristic of legumes like pea.example-Dianthus and Primrose.

DIADELPHOUS: The filaments of the stamens fused and form into two bundles. Example: Dolichos. In Dolichos, 10 stamens are present, filaments of 9 stamens are fused and form into one bundle and 10th stamen remains free act as a second bundle.

Answer 2

Explanation:

Explain the following terms and give one example for each: