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8 December 2012

Cactus Cactaceae (Cereus peruvianus)

This is a photo of an impressive large tree-like cactus which I photographed in the extensive grounds of the Carthage Museum.  I am not certain which variety it is, I had initially thought in an earlier blog post which I wrote about this subject in April 2011 that it may have belonged to the same family as the renowned Saguaro cactus but although both cacti can grow very tall and are large the similarities appear to end there as the shape of the Saguaro cactus is totally different.  I then thought it may be called Cereus Jamacaru. This hunch is just based on a photograph on the internet and does not have any scientific basis at all.  In the meantime, I hope you like these two photographs.
This photograph gives an idea as to the approximate height of this cactus as here it can be seen growing in the wild next to a tall tree.


This second photograph gives a better idea on the form and shape of this cactus.


For budding, amateur horticulturists like me this website provides a good quiz which tests the plant knowledge of the individual.  There are twenty photographs and one has to go through them in turn deciding whether the image is that of a cactus or not.  Apparently many people mistake succulent plants with cactus.  Interestingly,  one of the photographs resembled the two photographs that I have taken and it said that the image in the photograph was not a cactus but a plant species called Euphorbia ingens.  I am still none the wiser as to what this above plant is whether it is a cactus or not and what it is called nevertheless it is fun doing a bit of detective work on the internet trying to find out.
http://cactiguide.com/quiz_start/
 *Since writing this blog post I have acorrect identification of this cactus with the help of two websites namely The British Cactus & Succulent Society http://www.bcss.org.uk/index.php and Cacti Guide http://www.cactiguide.com/cactitalk/ According to information received from these websites, the above photographs are of a cactus called Cereus peruvianus. I am very happy to finally have them correctly identified.

You may also like to read the blog post about Cereus peruvianus http://brightlycolouredsunflowers.blogspot.com/2013/03/cereus-peruvianus.html

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