Caladenia longiclavata, commonly known as the Clubbed Spider Orchid is a species in the orchid family, Orchidaceae and Clubbed Spider Orchid complex and is endemic to the south-west of Western Australia. It is a widespread and common orchid with a single, hairy leaf and one or two greenish-yellow, white and red flowers and which grows in the area between Perth and Albany. There is 4 Spider Orchids in the Clubbed SPider Orchid compex appearing in and around the Porongurup area; Caladenia arrecta (Reaching Spider Orchid), C. ensata (Stumpy Spider Orchid), C. longiclavata (Clubbed Spider Ochid) and C. magniclavata (Big Clubbed Spider Orchid).