Plant Database forum: Two different plants; same accepted name?

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Name: greene
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greene
Jan 8, 2018 7:56 AM CST
This all started when I saw a Pothos plant with interesting foliage (Epipremnum aureum 'Glacier'). Then I fell down the rabbit hole. Blinking Confused The 'Glacier' has nothing to do with my question; it's just a pretty plant.

It was my understanding that the naming of plants had uniqueness. I had thought that two different plants could not have the same accepted name. In our NGA database, there are two plants with the same accepted name. (There may be more but this is as far as I managed to get before coffee.)

Here is a type of Pothos which shares an accepted name with another Pothos:
Pothos (Epipremnum aureum 'Golden Pothos')

@eclayne has made a note:
"Posted by eclayne:
Not to be confused with Golden Pothos (Epipremnum aureum); 'Golden Pothos', registered with the Vaste Keurings Commissie in 1990, has both leaves and stems an unmarked golden-yellow."

Here is the plant which shares the same accepted name:
Golden Pothos (Epipremnum aureum)

I found an example of two living things with the same accepted name; the only difference is the author, but one is a plant, the other is an animal/fish.
Orestias elegans Ridl. (this one is a plant)
Orestias elegans Garman, 1895. – Gaurav Jan 11 '16 at 3:05 (this one is a fish)

The Catalogue of Life (which lists all known species of organisms) shows the same accepted name for both, but we can see that one is an animal and the other is a plant.
http://www.catalogueoflife.org...

Shrug! So...(now that I have given myself a headache) can two different plants share the same accepted name? I realize that in our NGA database we do not list the authors and dates after the accepted name.

Thank you Thank You!
I will now take an aspirin and drink some coffee. Thumbs up
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Name: Lin
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plantladylin
Jan 8, 2018 9:05 AM CST
I think I questioned this some time ago as well. I knew that the accepted scientific name for the species was Epipremnum aureum and that common names included "Golden Pothos" and "Devil's Ivy" but I didn't realize that there was apparently a cultivar with the name of 'Golden Pothos'.

I'm used to seeing the 'Cultivar Name' appear along side the Genus/species and find it confusing when I see database listings with the trade name in the heading instead of the cultivar name like on these two:
Pothos (Epipremnum aureum Pearls and Jade®) - which shows a registered trademark.
Epipremnum aureum Green Genie - which doesn't show a registered trademark.

I know that someone explained "Trade Names" at one time but I've forgotten the explanation and it still confuses me when I see a Trade Name with the cultivar name being letters and numbers. *Blush* When I purchased my Pearls and Jade a few years ago, it was labeled E. aureum 'Pearls and Jade' and I'd never heard of or seen the cultivar name listed as 'UFM12' until noticing it awhile back in our database.






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Name: Joshua
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Australis
Jan 9, 2018 10:42 PM CST

Plants Admin

@greene - regarding whether two plants can share the same accepted name in the database, the answer is both yes and no.

The combination of botanical name and cultivar name must be unique.

Golden Pothos (Epipremnum aureum)
Pothos (Epipremnum aureum 'Golden Pothos')

both share the same accepted botanical name (Epipremnum aureum) but one is the general species entry, whilst the other is a selected cultivar of the species. This happens quite often. What is unusual in this case is that the cultivar's name also happens to be a common name for the species, which adds confusion.

I hope that helps clarify.
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jan 10, 2018 7:45 AM CST
Okay, it's starting to sink in, thanks. So if it is written as 'Golden Pothos' it is an officially registered and recognized name, but if it is just plain of Golden Pothos, it is a common name...and the common name can refer to any of several different plants.

I typed Golden Pothos into the search and the NGA database has six plants that share the name Golden Pothos, but only one of them is 'Golden Pothos'.

One of those six plants has no gold anywhere on the leaves - Devil's Ivy (Epipremnum aureum 'Marble Queen') - so I have no clue why it would have a common name like Golden Pothos, but I will be happy to ignore that. I will also ignore why some are called Pothos and some are called Devil's Ivy. Not important. Thumbs up

They are all very beautiful and I will begin searching to find both the 'Glacier' and the 'Marble Queen'. Hurray!

Thanks for all the help. Hurray!
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Lin
Florida Zone 9b, 10a

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plantladylin
Jan 10, 2018 10:43 AM CST
I often wonder where the common names originate, I guess people can place any common name to a plant that they want but it sure does make things confusing! Epipremnum aureum has common names of Devil's Ivy, Pothos, Golden Pothos ... and besides the Genus Epipremnum, there's also the Genus Pothos! Blinking Green Grin!

Re: the plant with no leaf variegation. I once had a E. aureum with the golden variegation in the foliage and the entire plant lost all variegation and reverted to solid green so that could be the reason for the plant you saw in that database entry ... it would still be E. aureum, common name "Golden Pothos". I once had a very large, very old, variegated Hoya carnosa plants that eventually reverted to solid green form.

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Name: Joshua
Melbourne, Victoria, Australia (Zone 10b)
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Australis
Jan 10, 2018 5:06 PM CST

Plants Admin

greene said:Okay, it's starting to sink in, thanks. So if it is written as 'Golden Pothos' it is an officially registered and recognized name, but if it is just plain of Golden Pothos, it is a common name...and the common name can refer to any of several different plants.

I typed Golden Pothos into the search and the NGA database has six plants that share the name Golden Pothos, but only one of them is 'Golden Pothos'.



The way the name is displayed also tells you if it's a cultivar or common name. The general format is:

Common Name (Botanical name 'Cultivar')


If it has the trade name field populated, it can also be:

Common Name (Botanical name Series Trade Name)
Pothos (Epipremnum aureum Pearls and Jade®)


The cultivar, series and trade name fields aren't necessarily filled in. For example:
Golden Pothos (Epipremnum aureum)


If no common name has been entered for the plant, then you won't see the parentheses:

Botanical Name 'Cultivar'
Pothos (Epipremnum aureum 'Golden Pothos')
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Name: Evan
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eclayne
Jan 14, 2018 7:46 PM CST

Plants Admin

Here is a reference where the cultivar 'Golden Pothos' is described. http://www.aroid.org/gallery/b... , pg. 209.
Evan

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