Pumpkin (flower) : The pumpkin is a big squash (larger variety than the pumpkin). The pumpkin is a plants family of Cucurbits (Botanical name: Cucurbita maxima).
The flowers se consume just like those of the squash and zucchini.
Un taste not at all surprising to... squash. They stuff very good. But you should only pick and cook the male flowers, otherwise you risk compromising the harvest (the male flowers have a large stem straight, while the female flowers have a small bulge at the base).