2.a peach blossom.

3. A peach blossom (petal).

4. A peach blossom.

5, a (tree) peach blossom.

Extended data:

The function of quantifiers:

1, using different quantifiers can express different morphological features of the same thing.

2. The use of quantifiers can highlight the main morphological characteristics of things.

3. By using different quantifiers, we can distinguish things with the same essence but different external forms with the help of their phenotypic functions.