Bow-lip Spider Orchid (Arachnorchis toxochila - formerly Caladenia toxochila)

Flowers in Spring (Aug - Oct), known mainly in the Little Desert, favours Yellow Gum flats in brown sandy loam.

This is a small greencomb spider orchid with a flat labellum.  Considered vulnerable and found in only a few populations.  The photo ruler indicates the height of this particular plant - a total of 3 inches (7.5cm).

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).


Cobra Greenhood (Diplodium grandiflorum - formerly Pterostylis grandiflora)

Flowers in Winter (May - Aug), favours moist sheltered areas in tall eucalypt forests.

So named because of the flared cobra like head, white with brown markings on apex.  The photo ruler indicates the height of this particular plant - a total of 8.5 inches (21cm).

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


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