Kaladar Cactus


For the past number of years, several members of the Ottawa and Area Cactus & Succulent Group have been monitoring the ongoing status of the "Kaladar Cactus", the name coined for a small wild population of the Brittle Prickly Pear, Opuntia fragilis found near Kaladar, Ontario. This species is typically found in western Canada with the nearest population located over 1000 km to the west. Because of the vulnerability of this population, the precise location is kept confidential.

Opuntia fragilis growing near Kaladar, Ontario - © Rob Huntley
The Brittle Prickly Pear, Opuntia fragilis, growing
in a mat of Cladina lichen. The 40 mm long dragonfly is the
white-faced meadowhawk dragonfly (Sympetrum obtrusum).
Photo: Rob Huntley

As a result of monitoring the Kaladar Cactus, club members Ken Hancock and Rob Huntley, along with Stephen Darbyshire of the Agriculture Canada Botany Department developed a paper documenting our observations at the site. The paper has been published in the British Cactus & Succulent Journal.


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