Are the genera Tetratheca and Hyacinth in the same botanical family?
Tetratheca:  It is classified in the botanical family Elaeocarpaceae, now known to encompass the family Tremandraceae, which the genus originally belonged to. Hyacinth (plant): Hyacinthus is a small genus of bulbous, fragrant flowering plants in the family Asparagaceae, subfamily Scilloideae.
i don't know