| Arrowsmith spider orchid | |
|---|---|
| |
| Caladenia crebra growing near Eneabba | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Genus: | Caladenia |
| Species: | C. crebra
|
| Binomial name | |
| Caladenia crebra | |
| Synonyms | |
| |
Caladenia crebra, commonly known as the Arrowsmith spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has one or two relatively large, greenish-yellow flowers whose lateral sepals have thin brown "clubs" on their ends.