To determine which species a banana is most closely related to according to your list, we need to consider the characteristics and groupings based on the number of petals and other features.
In the context of your list - Banana, Onion, Lemon, Radish, and Seaweed - bananas are generally classified as a type of fruit that is part of the plant kingdom, while onions, lemons, radishes, and seaweed belong to different categories (bulbs, fruits, roots, and algae, respectively).
Typically, in a biological taxonomy context, fruits like bananas and lemons are more closely related than to species like onions (a bulb) or radishes (a root). Seaweed is also quite distantly related as it is classified under algae.
Based on the information given and typical groupings:
- Banana is more closely related to Lemon than to the others since both are fruits.
So, according to this tree, a banana is most closely related to Lemon.