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NEET2022BotanyMorphology of Flowering PlantsActual

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

Options

  1. APisum sativum
  2. BAllium cepa
  3. CSolanum nigrum
  4. DColchicum autumnale

Correct answer

A. Pisum sativum

Step-by-step solution

Inflorescence: racemose Flower: bisexual, zygomorphic Calyx: sepals five, gamosepalous; valvate/imbricate aestivation Corolla: petals five, polypetalous, papilionaceous, consisting of a posterior standard, two lateral wings, two anterior ones forming a keel (enclosing stamens and pistil), vexillary aestivation. Androecium: ten, diadelphous, anther dithecous Gynoecium: ovary superior, mono carpellary, unilocular with many ovules, style single.

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