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CactusWorld LIVE – Online talks for June 2021

Our talks take place twice a month on the first and third Tuesday. Please contact the talks team at This email address is being protected from spambots. You need JavaScript enabled to view it. if you have any suggestions or ideas for talks or speakers.


Topic: Ian Woolnough – Pediocactus, Sclerocactus and selected associates

Time: Tuesday 1st June, 2021 7:30 PM (BST)

Meeting ID: 894 4157 4369

Passcode: bcss

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Ian is a geologist and cartographer whose interest in cacti started as a teenager. He is currently a committee member of the ELK and the Mammillaria Society and has previously held various roles at Branch level in the BCSS. As well as having written numerous articles on cacti and other succulents he has spoken widely throughout the UK and internationally on the subject. Having taken the opportunity of voluntary redundancy he and his wife are now installed in Norfolk, at what was Eau Brink cactus nursery. He has been fortunate enough to travel widely throughout the Americas in search of plants in habitat to photograph and study. These travels have included many trips to the United States and northern Mexico where Pediocactus and Sclerocactus grow.

This talk is a light-hearted look at some of the highlights encountered. A brief introduction on the genera is followed by pictures of plants in habitat, many in flower, as well as a number of the other plants and animals that accompany them, some of the eclectic occurrences stumbled across and of course the stunning scenery. Hopefully, there will be something of interest for everyone? Seeing plants in habitat is a special privilege and Ian is looking forward to sharing some of these with you.


Topic: Bob Potter – A Euphorbia odyssey

Time: Tuesday 15th June, 2021 7:30 PM (BST)

Meeting ID: 892 9284 5809

Passcode: bcss

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Many of you will know me from when myself and my wife Beryl used to run Toobees Exotics which was the premium succulent nursery in the UK for many years. I have been interested in cacti and succulents from a very early age, and my first cactus, a Chamaecereus silvestrii, was given to me by my grandfather when I was three years old! In later years, my interest has gravitated to succulents other than cacti although I do still grow some cacti. Since giving up the nursery we have turned our nursery greenhouse into a display greenhouse with a lot of my own plants bedded out for effect. For many years I have been fortunate to visit many succulent locations in various countries and this lecture is centred around species of succulent Euphorbia encountered during my travels to these places including Yemen, South Africa, Madagascar, Ethiopia and Zimbabwe.

This talk is not intended to be of a botanical nature but will show the various forms and modes of growth of many Euphorbia and to highlight the great variability within the genus. Each country will be visited during the lecture to show some of the more interesting plants that I have encountered in habitat and to show to some extent the variability of these plants. The habitat locations will be shown with the aid of maps although no formal itinerary will be followed. There will be a few other succulents shown if these are deemed to be noteworthy on the travel route, but the main theme will be on the genus Euphorbia. The preamble to the lecture will show some of the specialist literature available to the enthusiast in relation to this genus. There will also be a selection of images showing some plants in cultivation and some light-hearted images of travelling companions.

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