The leaf stripper incorporates mechanisms (42,46) for extending and inclining the stripper head (22) in relation to its support (20) on a vertical arm. The stripper consists of a head (22) connected to a motorized support (20) and equipped with a leaf cutter (48) and aspirator (52). It incorporates mechanisms for extending and inclining the head relative to its support, controlled by position detectors (62,64) and actuators (46,42). The position detectors can be mechanical, electrical, radar or other, and the actuators mechanical, hydraulic, pneumatic or similar.