Plant Database forum: Cactus hybrid

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Name: Ruud
The Netherlands
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Feb 18, 2017 5:57 AM CST
Could you add x Trichoechinopsis imperialis?


Name: Thijs van Soest
Mesa, AZ (Zone 9b)
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Cactus and Succulents Container Gardener Hummingbirder Xeriscape Region: Arizona Region: Southwest Gardening
Feb 18, 2017 7:26 AM CST
Dear Ruud,

I doubt they will see the need: currently according to the catalog of life, Trichocereus has been included within Echinopsis, so officially now this would simply be an Echinopsis hybrid, because it would be Echinopsis x Echinopsis iso Echinopsis x Trichocereus.

Voices have gone up to separate these two from each other again, because genetic study suggests that if Trichocereus and Lobivia (another major genus that got included within Echinopsis) are included with Echinopsis one would really have to include just about every major cactus genus from South America within Echinopsis to remain consistent across the board, which is obviously something that few people would actually want to do. So things are in flux. In the second edition of 'The New Cactus Lexicon' they have been made separate again, but this has not made it into the major databases yet - these things take time.

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