Caladenia huegelii and Caladenia thinicola

Grand and Scott River Spider Orchids

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C. huegelii and C. thinicola are closely related and very similarly looking - to the point that it takes an orchid expert to tell them apart. However, they generally do not grow together. C. huegelii grows from Perth to Busselton and C. thinicola grows from Busselton to Augusta.

Caladenia huegelii
Grand Spider Orchid

Caladenia huegelii
Grand Spider Orchid

Caladenia huegelii
Note the split ends of the labellum.

Caladenia huegelii
Grand Spider Orchid

Impressive, large spider orchid. While the flowers are about the same size as a large white spider orchid, the labellum is huge with very long fringes. The plants are up to 80cm high. The fringes of the labellum are often split at the ends - a characteristic of this species.

Caladenia huegelii
Grand Spider Orchid

Caladenia thinicola
Scott River Spider Orchid

Caladenia thinicola
Scott River Spider Orchid

Caladenia thinicola
Scott River Spider Orchid

The Scott River Spider Orchid is smaller than C. huegelii with less colouful flowers. In particular, the labellum is quite smaller.

Caladenia thinicola
Scott River Spider Orchid

Caladenia thinicola
Scott River Spider Orchid