Question

Is vinca rosea apocarpous or syncarpous Is it monothecous or dithecous

Answer 1

Explanation:

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Answer 2

Vinca rosea(Catharanthus rosea) is an evergreen, ornamental herb that belongs to the family Apocynacea. The species is generally syncarpous and dithecous.

• The Androecium of this species is made up of 5 stamens. Anthers are dithecous( having two chambers) and sagittate( spear-shaped). The stamens are polyandrous, epipetalous(attatched to the corolla) with short filaments.
• The Gynoecium is bicarpellary ( two carpels ) and syncarpous( carpels are fused together or connate ) but in some species apocarpus, free, the superior ovary is found. Many ovules are present inside the ovary and the placentation( arrangement of ovules within the placenta) is marginal.
• Nectaries are also found anteroposterior to the ovary.
• fruit type is a follicle.
• Vincristine and Vinblastin are the two major anticancer drugs obtained from the Vinca rosea.