What in the World is a Grex?
Login
User Name
Password   


Registration is FREE. Click to become a member of OrchidBoard community
(You're NOT logged in)

menu menu

Sponsor
Donate Now
and become
Forum Supporter.

What in the World is a Grex?
Many perks!
<...more...>


Sponsor
 

Google


Fauna Top Sites
LOG IN/REGISTER TO CLOSE THIS ADVERTISEMENT
  #1  
Old 01-01-2019, 09:18 PM
emmajs243 emmajs243 is offline
Senior Member
 

Join Date: Nov 2018
Posts: 315
What in the World is a Grex?
Default What in the World is a Grex?

Ok guys I will apologize in advance, I have a few more technical or factual type of questions I will be posting that I just cant seem to wrap my head around....So apologies for the multiple posts AND for my confusion in advance!

What in the world is a grex? Like I have read the definitions and online explanations and i don't know what I am missing but I just sit there still dumbfounded as if someone just gave me the answer in Chinese. I am clueless and I see it online when shopping for orchids and just avoid it because I don't know what it means!

Please help! I tried searching because I am sure this question has already been asked but I got like TONS of results and finally got sick of going through page after page of irrelevant posts!

Can somebody just break this down for me?
Reply With Quote
Post Thanks / Like - 1 Likes
Likes Spotted Milti liked this post
  #2  
Old 01-02-2019, 12:05 AM
Orchid Whisperer's Avatar
Orchid Whisperer Orchid Whisperer is offline
Senior Member
 

Join Date: Jul 2012
Zone: 8a
Location: Athens, Georgia, USA
Posts: 3,204
What in the World is a Grex? Male
Default

A grex is the hybridization cross between two specific species or hybrids.

For example, any hybridization breeding the two parents Cattlianthe Kauai Starbright Cattlianthe Chocolate Drop will always form the grex Cattlianthe Golden Wax.
__________________
Wear a d@mn mask!!

Last edited by Orchid Whisperer; 01-02-2019 at 12:15 AM..
Reply With Quote
Post Thanks / Like - 4 Likes
Likes TamiP, charlesf6, emmajs243, Spotted Milti liked this post
  #3  
Old 01-02-2019, 01:00 AM
emmajs243 emmajs243 is offline
Senior Member
 

Join Date: Nov 2018
Posts: 315
What in the World is a Grex?
Default

Thanks orchid whisperer!!

So, it's just all orchids that come from the same two "parents" and are hybrid?....or species....Wouldn't that technically make every orchid a grex of some sort or another or am I missing something??
Reply With Quote
  #4  
Old 01-02-2019, 03:15 AM
Subrosa's Avatar
Subrosa Subrosa is offline
Senior Member
 

Join Date: Jul 2013
Zone: 6b
Location: PA coal country
Posts: 3,264
What in the World is a Grex? Male
Default

Quote:
Originally Posted by emmajs243 View Post
Thanks orchid whisperer!!

So, it's just all orchids that come from the same two "parents" and are hybrid?....or species....Wouldn't that technically make every orchid a grex of some sort or another or am I missing something??
Only the hybrids are in grexes. The species are in species.
__________________
Be who you are and say what you think. Those who matter don't mind and those who mind don't matter.
Reply With Quote
Post Thanks / Like - 2 Likes
Likes emmajs243, Orchid Whisperer liked this post
  #5  
Old 01-02-2019, 05:45 AM
Keithj Keithj is offline
Senior Member
 

Join Date: Jun 2018
Location: City of Derby, UK
Age: 70
Posts: 102
What in the World is a Grex? Male
Default

And just to complicate matters, you get a different hybrid from the same parents depending on which is the pollen donor.

Keith
Reply With Quote
Post Thanks / Like - 2 Likes
Likes Orchid Whisperer, emmajs243 liked this post
  #6  
Old 01-02-2019, 08:36 AM
MrHappyRotter MrHappyRotter is offline
Senior Member
 

Join Date: Aug 2013
Zone: 7b
Location: Raleigh, NC
Posts: 1,196
What in the World is a Grex? Male
Default

Quote:
Originally Posted by Keithj View Post
And just to complicate matters, you get a different hybrid from the same parents depending on which is the pollen donor.

Keith
From a biological standpoint, the pod parent (the one that gets fertilized and produces the seed pod) carries a bit more influence over the offspring/hybrid than the pollen parent. I believe at least some of this effect comes from mitochondrial dna which organisms get from their "maternal" parent.

But for naming & registration purposes, the hybrid name is the same regardless of which parent is used as the pod parent and which is used as the pollen parent.

For instance..

Phrag. besseae x Phrag. longifolium = Phrag. Eric Young
Phrag. longifolium x Phrag. besseae = Phrag. Eric Young
Reply With Quote
Post Thanks / Like - 1 Likes
Likes emmajs243 liked this post
  #7  
Old 01-02-2019, 08:56 AM
Ray's Avatar
Ray Ray is online now
Senior Member
 

Join Date: May 2005
Member of:AOS
Location: Oak Island NC
Posts: 14,132
What in the World is a Grex? Male
Default

Nomenclature
__________________
Ray Barkalow, Orchid Iconoclast
FIRSTRAYS.COM
Try Kelpak - you won't be sorry!
Reply With Quote
Post Thanks / Like - 2 Likes
Likes emmajs243, Spotted Milti liked this post
  #8  
Old 01-02-2019, 06:34 PM
emmajs243 emmajs243 is offline
Senior Member
 

Join Date: Nov 2018
Posts: 315
What in the World is a Grex?
Default

Thanks you SO much guys! This was just so confusing for me until now! So one follow up, why when your orchid shopping will some have a "grex" label and other hybrids don't? I mean all the hybrids are obviously in a grex of some sort or another but only some have grex labeled somewhere in their name. Is this just for hybrids that are in a more renowned grex so buyers can make that connection?

Subrosa, I totally was just reading orchid whisperers explanation wrong and it clicked once you chimed in so thank you for that!!

After reading Keith's post I was just thinking, "I know I've seen orchids crossed 'AxB' and again 'BxA'" and I always wonder, what's the difference? Which one do I choose? One parent has to be more dominant right? And then MrHappyRotter jumped in and gave me the answer! Perfect timing and SO much appreciated!

And Ray! This is EXACTLY what I needed! This is how my brain works. The EXACT way you have it broken down on your website is exactly how I have to set up a concept I haven't been able to completely grasp for it to click! That is just SO perfect! Thank you! I just don't know how I missed it! I have read SO much from your cite! I've been working through your presentation topics and any articles linked to those! Like your growth Stimulant experiments! So educational, awesome and fun to read! I just wish I was in the position to carry out big experiments like that!

Thanks again everyone who has chimed in! This has helped so much!
Reply With Quote
  #9  
Old 01-10-2019, 09:52 PM
Fairorchids's Avatar
Fairorchids Fairorchids is offline
Senior Member
 

Join Date: Aug 2013
Zone: 6a
Location: Maplewood, NJ
Posts: 2,683
What in the World is a Grex? Male
Default

Emma,

As long as the new hybrid (A x B or B x A) has not had a name registered with the RHS in England, it is an 'unnamed Grex', identified by the two parent plants.

Once a new name has been registered, it should be identified with the new name. However, many nurseries never get around to do this, so you will see a lot of plants sold with just the two parent names on the label.

There are several orchid databases available:
OrchidWiz is the best in my opinion
Orchids+ from the AOS is OK.

If you don't want to spend money on either just yet, the RHS has a free database, but it is not very good.

The International Orchid Register / RHS Gardening

If a new grex is registered as B x A, and you enter A x B in a query, you get no result. You need to try B x A also.

And, if there is a single spelling mistake, it won't give you a result. You might have to check the name of each parent to get the accepted spelling in the RHS database.

This is in particular prevalent in the Cattleya group, where many genera have been changed (most Laeliocattleya (= Lc.) are now straight Cattleya, etc.).
__________________
Kim (Fair Orchids)

Founder of SPCOP (Society to Prevention of Cruelty to Orchid People), with the goal of barring the taxonomists from tinkering with established genera!

I am neither a 'lumper' nor a 'splitter', but I refuse to re-write millions of labels.
Reply With Quote
Post Thanks / Like - 3 Likes
Likes wisdomseeker, emmajs243, DeaC liked this post
  #10  
Old 02-02-2019, 11:06 PM
SouthPark's Avatar
SouthPark SouthPark is offline
Senior Member
 

Join Date: Dec 2018
Member of:AOS
Location: Australia, North Queensland
Posts: 5,205
Default

Quote:
Originally Posted by MrHappyRotter View Post
But for naming & registration purposes, the hybrid name is the same regardless of which parent is used as the pod parent and which is used as the pollen parent.
Is there a convention where the pod parent can easily be identified from a cross? Eg. a convention like AAA x BBB, where the name that comes first (eg. AAA) is the pod parent?

I'm thinking there's probably none, because it's too late these days to have such a convention --- due to legacy issues ----- since this kind of convention would have needed to start right from the beginning.
Reply With Quote
Reply

Bookmarks

Tags
grex, online, page, posts, world


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Sophrolaeliocattleya World Vacation 'Shibuya Sunset' (Lc. Commander x Sc. Bea... MattWoelfsen Cattleya Alliance 8 07-09-2014 03:46 PM
Looking for New World Bulbos JC Espinosa Bulbophyllum Alliance 2 10-27-2013 08:59 PM
Pics. from World Orchid Conference Singaprore fotofashion Orchid Lounge 1 03-30-2013 06:43 PM
New World Orchid Stray59 Advanced Discussion 5 12-11-2012 05:26 PM
World Class 'Big Foot' hybrids sweetjblue Hybrids 20 03-08-2012 01:17 AM

All times are GMT -4. The time now is 02:58 PM.

© 2007 OrchidBoard.com
Search Engine Optimisation provided by DragonByte SEO v2.0.37 (Lite) - vBulletin Mods & Addons Copyright © 2023 DragonByte Technologies Ltd.
Feedback Buttons provided by Advanced Post Thanks / Like (Lite) - vBulletin Mods & Addons Copyright © 2023 DragonByte Technologies Ltd.

Clubs vBulletin Plugins by Drive Thru Online, Inc.