Multi-coloured Spider Orchid (Arachnorchis colorata - formerly Caladenia colorata)

Flowers in Spring (Aug - Oct) - favours mallee shrubland in well drained soil.

Flowers moderately small, labelleum margins has numerous short teeth.  Tepals have thread like tips and drooping habit.  The photo ruler indicates the height of this particular plant - a total of 9 inches (23cm).

Pollination of the Arachnorchis species has been studied very little but it is thought that spider orchids are generally pollinated by pseudocopulation (male thynnid wasp).


Long-tailed Rustyhood (Oligochaetochilus woollsii - formerly Pterostylis woollsii)

Flowers in Spring/summer (Oct - Dec), favours upper ridges in drier forests and mallee vegetation.

Feature of the orchid is the long dangling lateral sepals.  The labellum is large, reddish brown with spreading bristles on margins.  The photo ruler indicates the height of this particular plant - a total of 7.5 inches (19cm).

All known pollinators of the Genus Oligochaetochilus have been male insects of the fungus gnat and mosquito family.


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