Caladenia macroclavia
| Large-club spider orchid | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Genus: | Caladenia |
| Species: | C. macroclavia |
| Binomial name | |
| Caladenia macroclavia | |
| Synonyms | |
Caladenia macroclavia, commonly known as the large-club spider orchid, or brown bayonets, is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single hairy leaf and a single green to yellowish-green flower with dark red central stripes. It is a rare species and in 2006 the total population was estimated to be between 35 and 80 mature plants.