Plant Database forum: Stapelia gigantea

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Name: Baja
Baja California (Zone 11b)
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Baja_Costero
Mar 24, 2018 7:51 PM CST
It looks like this plant is back to being Stapelia gigantea, according to the CoL. I'm guessing there are others which may have changed.

Ceropegia gigantea
Starfish Plant (Ceropegia gigantea)

http://www.catalogueoflife.org...

This info gleaned from a thread in the C&S forum... with a nod to @Ursula.

The thread "Huernias to give out." in Cactus and Tender Succulents forum
[Last edited by Baja_Costero - Mar 24, 2018 7:52 PM (+)]
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Name: Zuzu
Northern California (Zone 9a)
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zuzu
Mar 24, 2018 8:01 PM CST

Plants Admin

I think your CoL link is outdated (2017). The latest CoL entry shows S. gigantea as a synonym.

http://www.catalogueoflife.org...
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Foliage Fan Xeriscape Container Gardener Bromeliad
Hummingbirder Native Plants and Wildflowers Garden Photography Region: Mexico Plant Identifier Forum moderator
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Baja_Costero
Mar 24, 2018 8:12 PM CST
Yes, you're right. I don't know how I ended up on that page (or why it still exists, but no matter). I just did a search from the CoL home page and ended up with the page you posted, so that's the route I will choose in the future. It did seem like a little too fast to be reverting back to the old name... Rolling my eyes.
Name: Ursula
Fair Lawn NJ, zone 6b
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Ursula
Mar 25, 2018 7:58 AM CST
I did some googling yesterday evening and this morning, just being curious what exactly is prompting the move of some Generas to Ceropegia. I would love to see some articles regarding precise reasons, showing the different nomenclature and why. So far I struck out, the internet is pretty much happily ignoring these changes.
Orchids are going through this constantly, especially the last ten years or so. DNA analysis shifts nomenclature faster than you can say "What the heck" Smiling , but there are also reports of some Orchids which simply didn't fit anywhere and where just tagged on to a different genus.
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
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mcvansoest
Mar 25, 2018 10:55 AM CST
I am pretty sure DNA has nothing to do with the renaming of the stapeliads in this instance - I wonder if they had done a DNA study it would have stopped it from happening. As far as I know one of 'THE' experts on these plants has published a reassessment of the genus in a scientific journal (so a little harder to come by - I am working on it) where essentially the base conclusion is that for the Stapeliads, Huernias, etc. if you follow the strict rules of botanical nomenclature that the first name used to describe a specimen of the species gets priority in terms of name given to that plant or genus by any follow up description, which apparently means that going back to Linnaeus 1753, Stapelias, Hoodias, Huernias, etc all fall under Ceropegia for the moment...

This may change again as other experts will respond to this, but in essence convincing arguments will need to be made to reverse this - this is pretty similar to someone publishing a while back that a whole bunch of south American cactus species should all fall under the name Echinopsis... though here it was done for another reason than name priority but it led to a similar mass confusion of plants having to be given new species names because now that they were all Echinopsis there were multiple duplicates. There is currently a movement going on to reverse this decision because it turned out that if you were going to be really strict in applying the rule of why something should be called Echinopsis iso its original name more or less all south American cacti would have to end up being named Echinopsis... but that has not yet found itself into some of the major plant lists that are published... At least not when I last checked.
Name: Ursula
Fair Lawn NJ, zone 6b
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Ursula
Mar 25, 2018 12:03 PM CST
Thanks for your explanation! Now I understand why perhaps Kew and surely others don't acknowledge the changes.
Name: Karen
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plantmanager
Mar 25, 2018 1:02 PM CST
Our local botanical garden doesn't do any changing of names for the most part. Maybe if the name changes stick, they might get changed way down the line.
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