Solution:
Based on the provided diagram and common botanical knowledge, we can infer the following:
- Flower sex: The diagram shows both male (stamens) and female (pistil) reproductive parts. Therefore, the flower is bisexual (B).
- Type of symmetry: The floral diagram, with its radial arrangement of parts, suggests regular symmetry (A).
- Floral scales: The diagram shows three structures that appear to be floral scales or bracts. The parentheses around the number '3' indicate they are fused elements. Thus, we have (3).
- Floral petals: The diagram shows three petals. Thus, we have (3).
- Stamens: The diagram shows three stamens. Thus, we have (3).
- Pistil: The diagram shows a single pistil. Thus, we have (1).
Filling in the table:
| Flower sex | Type of symmetry of the flower | Floral scales | Floral petals | Stamens | Pistil |
|---|
| B | A | (3) | (3) | (3) | (1) |