Replum is found in family
$A$. Citrus and Ricinus have synandrous condition.
$B$. In epitepalous condition, the cohesion occurs bewteen tepal and filament of stamen.
$C$. Tetradynamous condition consists of two long and four short stamen filaments.
Swollen spongy petiole is present in
In a tetradynamous androecium, one of the following is seen