The fruit in $Datura$ is

$A$ drupe fruit develops from $.......$.

$A$ dry,indehiscent,single-seeded fruit,developing from a monocarpellary,syncarpous,inferior ovary is known as:

$A$ drupe fruit is found in . . . . . . .

$A$ small,dry,one-seeded fruit in which the fruit wall is fused with the seed coat,developing from a monocarpellary ovary,is called:

Pineapple (Ananas) fruit develops from: