The principle based on federal Constitutional Law that evidence illegally seized by law enforcement officers in violation of a suspect's right to be free from unreasonable searches and seizures cannot be used against the suspect in a criminal prosecution.
frond. 1. A leaf of a fern, usually consisting of multiple leaflets. 2. A large, fan-like leaf of a palm tree. 3. A large, leaf-like structure on a seaweed.
Left is a rare Lepidorrhachis palm, one of many species with a crownshaft, which is a prominent leaf sheath that simply screams monocot (if you know what to listen for that is); right is a species of palm (Washingtonia) that does not form a crownshaft, but one can still easily see the splitting leaf sheaths covering the trunk of the palm