“People are roses. Families are rosebushes. Rosebushes need pruning.” With that ominous metaphor, Ed [Callum Turner] introduces us to the super-rich, and sordidly dysfunctional, family at the center of Rosebush Pruning, the new film from acclaimed Brazilian director Karim Aïnouz (Firebrand, Motel Destino). They’re a pretty nasty bunch. Younger siblings Anna [Riley Keough] and Robert [Lukas Gage] are incest-curious, borderline psychotics. Their father (played by Tracey Letts) is a blind, soft-spoken, abusive tyrant. Eldest brother Jack [Jamie Bell] seems almost normal, though there, too, are signs of deep trauma. The American clan wallows in a life of pointless opulence in a Spanish villa, discussing designer clothes and snarking at servants and each other. But when Jack, the family lynchpin, announces he is moving in with his girlfriend, Martha [Elle Fanning], and Ed starts to unravel the truth surrounding the death of their mother [Pamela Anderson], things fall apart. The pruning is coming, and it will not be pretty. This modern-day take on Marco Bellocchio‘s radical 1965 satire Fists in the Pocket, adapted by frequent Yorgos …