Tetradynamous stamens and cruciform corolla are characteristic features of

• A. Solanum
• B. Abelmoschus esculentus
• C. Ochroma lagopus
• D. Brassica campestris

The terms "tetradynamous stamens" and "cruciform corolla" are specific to certain plant families. Tetradynamous stamens refer to a flower structure where there are six stamens, with four being longer and two shorter. A cruciform corolla describes a flower shape that resembles a cross, typical of plants in the mustard family.

Identifying the Correct Plant

Among the options provided:

• A. Solanum - This genus includes nightshades and does not have these features.
• B. Abelmoschus esculentus - Known as okra, it does not exhibit these characteristics.
• C. Ochroma lagopus - Commonly known as balsa wood, it also lacks these traits.
• D. Brassica campestris - This is the plant that features tetradynamous stamens and a cruciform corolla, typical of the Brassicaceae family.

Final Answer

The correct answer is D. Brassica campestris.