Irises forum: A Question of Taxonomy

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Name: Jerry
New Jersey (Zone 6a)
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Jpari
Jan 25, 2018 12:22 PM CST
Hi Folks,
I have a question regarding the naming of registered iris varieties. Again, coming from the orchid world, If a hybrid is registered with a hybrid name, any cross with those same two parents also carries the same hybrid name. As an example, the hybrid Slc. Little Hazel is the product of
Slc. Hazel Boyd x Sl. Psyche. Any time that Slc. Hazel Boyd is crossed to Sl. Psyche, or the reciprocal cross, the resulting clones are forever called Slc. Little Hazel. Out of the resulting seed pod/pods will come clones of varying qualities. The exceptional ones will be given clonal epithets and possibly submitted for AOS judging. An example of a superior clone of this cross is Slc. Little Hazel 'Red Jewel'. Their may be other clones of this cross that are also exceptional and will carry other clonal epithets. I have noticed that in going through iris catalogs, both on line and hard copy, that there are no multiple superior clones designated for an offered variety. As an example, Iris Dusky Challenger seems to be only one clone. There does not seem to be any other superior examples from this seed pod carrying their own clonal epithet which would be designated for a fictitious example Iris Dusky Challenger 'Dark Prince'. How are the other superior examples of the same cross handled in the iris world.
Name: Robin
Melbourne, Australia (Zone 10b)
Region: Australia Irises Garden Photography
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Totally_Amazing
Jan 25, 2018 6:05 PM CST
I am not sure that I understand the question correctly, but I think the answer is no. I have seen siblings made from a single cross that have 2 different names. For example, Final Destination and Anytime Now (J11-.seedlings). Decadent Party and End of Decadence have the same parents as Final Destination and Anytime Now but were made from a separate cross (12J11- seedlings).
Name: Joshua
Melbourne, Victoria, Australia (Zone 10b)
Köppen Climate Zone Cfb
Region: Australia Bookworm Cat Lover Lilies Orchids Irises
Seed Starter Annuals Container Gardener Garden Photography Forum moderator
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Australis
Jan 25, 2018 6:11 PM CST

Plants Admin

Hi Jerry,

Orchids are unique in the way they are named. Very rarely are grex names used for other types of plants.

So with your example of Dusky Challenger, it would instead be a single seedling from a cross (not the name for all plants resulting from the cross) and correctly written as Iris 'Dusky Challenger' (the cultivar name is always in quotes, equivalent to the clonal name for Orchids). Any siblings worthy of introduction would get their own names.
Plant Authorities: Catalogue of Life (Species) --- International Cultivar Registration Authorities (Cultivars) --- RHS Orchid Register --- RHS Lilium Register
My Notes: Orchid Genera HTML PDF Excel --- Lilium Traits HTML PDF --- Lilium Species Crosses HTML PDF Excel --- Lilium Species Diagram
The current profile image is that of Iris 'Volcanic Glow'.
Name: Jerry
New Jersey (Zone 6a)
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Jpari
Jan 25, 2018 9:35 PM CST
Australis said:Hi Jerry,

Orchids are unique in the way they are named. Very rarely are grex names used for other types of plants.

So with your example of Dusky Challenger, it would instead be a single seedling from a cross (not the name for all plants resulting from the cross) and correctly written as Iris 'Dusky Challenger' (the cultivar name is always in quotes, equivalent to the clonal name for Orchids). Any siblings worthy of introduction would get their own names.


Thank you so much! Now I understand. I didn't realize that this was the way that iris were named for introduction.
Name: Joshua
Melbourne, Victoria, Australia (Zone 10b)
Köppen Climate Zone Cfb
Region: Australia Bookworm Cat Lover Lilies Orchids Irises
Seed Starter Annuals Container Gardener Garden Photography Forum moderator
Image
Australis
Jan 25, 2018 9:47 PM CST

Plants Admin

You're welcome, Jerry! Please stick around and enjoy the forums. There are lots of friendly people here and plenty of advice if you need assistance.
Plant Authorities: Catalogue of Life (Species) --- International Cultivar Registration Authorities (Cultivars) --- RHS Orchid Register --- RHS Lilium Register
My Notes: Orchid Genera HTML PDF Excel --- Lilium Traits HTML PDF --- Lilium Species Crosses HTML PDF Excel --- Lilium Species Diagram
The current profile image is that of Iris 'Volcanic Glow'.
Name: Evelyn
Northern CA Sierra foothills - (Zone 8a)
Region: United States of America Region: California Annuals Bulbs Butterflies Cat Lover
Foliage Fan Irises Organic Gardener Plant and/or Seed Trader Seed Starter Vegetable Grower
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evelyninthegarden
Jan 31, 2018 12:29 PM CST
Australis said:Hi Jerry, Orchids are unique in the way they are named. Very rarely are grex names used for other types of plants.


I am not familiar with orchids nor the way that they are classified. What does the term grex mean?
I have 'Grape Expectations' for making progress in the gardens....
Name: Jerry
New Jersey (Zone 6a)
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Jpari
Jan 31, 2018 1:04 PM CST
evelyninthegarden said:

I am not familiar with orchids nor the way that they are classified. What does the term grex mean?


Hi Evelyn,
The word "Grex" has been coined to expand botanical nomenclature to describe hybrids of orchids, based solely on their parentage. ... The grex name then applies to all hybrids between those two parents. In short, all plants produced by the crossing of two specific parents will forever be called by the same hybrid name, or "Grex". This also applies even to the reciprocal cross.
Name: Lilli
Copenhagen, Denmark, EU
Irises Roses Bulbs Hellebores Foliage Fan Cottage Gardener
Plant Lover: Loves 'em all! Seed Starter Winter Sowing Bee Lover Dog Lover Region: Europe
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IrisLilli
Feb 1, 2018 7:07 AM CST
Interesting! Very different from irises.
You don't know if it will grow until you try!

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