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Orchid Cactus: Orchid cactus? or Cereus? Help?

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tlm1
Jacksonville, FL
(Zone 9a)

March 9, 2012
2:11 PM

Post #9036104

Hi, I have what I have always believed to be an Orchid cactus. Epiphyllum oxypetalum. ( 1st picture)
I received some cuttings from a friend, and told it was Cereus. ( 2nd picture)
After looking through some of the threads here, and looking at Plant files, I'm not sure what the cuttings are that I received. I'd love to get some of your opinions.
Thanks for looking. :-)

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tlm1
Jacksonville, FL
(Zone 9a)

March 11, 2012
9:01 AM

Post #9037978

Anyone have any ideas?
Cem9165
Duluth, GA
(Zone 7b)

March 11, 2012
11:27 AM

Post #9038165

Hey Tim, the first picture you posted looks like a regular epie to me, the second with the cuttings may be the oxy. The oxy tends to have wider, flatter leaves. I've had both, this is my 3rd year with them, and I'm looking forward to seeing some blooms.
tlm1
Jacksonville, FL
(Zone 9a)

March 11, 2012
12:05 PM

Post #9038212

Thanks, Cem9165, I think you led me in the right direction! It appears that my cutting IS the E. oxypetalum, and my older one, is actually a Disocactus ackermannii….. So pleased to get them straight! Thank you!
OCCAROL
Santa Ana, CA
(Zone 10b)

March 11, 2012
6:15 PM

Post #9038651

I have read that there is controversy as to the correct name of Epi. Oxypetalum actually being Cereus. In my world, Night blooming Cereus is a huge, upright, desert cactus, also called Queen of the Night, but I'm not a botanist, so what do I know? I'm thinking it all boils down to using common names, as opposed to Latin names. Both are "Queen of the night", both have nocturnal, white, fragrant flowers, but Epi. Oxy. is an epiphitic cactus, and the Cereus is an upright desert cactus...at least in my world.
Cem9165
Duluth, GA
(Zone 7b)

March 11, 2012
7:01 PM

Post #9038736

You're welcome tim1, glad I could help. Please share your blooms when you get some.

OC, thanks for the explanation. Does it also include Hylocereus undatus?
OCCAROL
Santa Ana, CA
(Zone 10b)

March 11, 2012
8:16 PM

Post #9038846

Cem, I have no idea about Hylocereus. I was only researching Epi. Oxy.! LOL!
krowten
Greensburg, PA

March 11, 2012
10:45 PM

Post #9038966

Please take a look at this site. There are many nice pics of plants related to the first picture on this thread.

http://www.cristoalmeria.com/epifitos2010/hola_amigos.htm

Disocactus is definitely in the running, but there are varieous kinds of "*cereus" that also might be the case. Flowers should tell the tale.
tlm1
Jacksonville, FL
(Zone 9a)

March 12, 2012
5:02 AM

Post #9039077

Thank you ever so much…The link tells me the tale for sure…My Disocactus is definitely the ackermannii.. I've had this plant for several years, a cutting received from an Aunt years ago….The blooms are an identical match! I'm now anxiously waiting for these new cuttings of the E.oxypetalum to mature enough to bloom! I will surely post pictures when they bloom! Thanks again to all of you!
OCCAROL
Santa Ana, CA
(Zone 10b)

March 12, 2012
4:15 PM

Post #9040036

Thanks for the link, Krowten! Good thing I don't have room to "collect"!
krowten
Greensburg, PA

March 12, 2012
5:00 PM

Post #9040093

Glad to be of help. I do so wish I had a greenhouse!
OCCAROL
Santa Ana, CA
(Zone 10b)

March 12, 2012
8:07 PM

Post #9040401

Those would require a LARGE greenhouse.
krowten
Greensburg, PA

March 12, 2012
9:49 PM

Post #9040525

Just one of them as nice as those would make me proud.

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Other Orchid Cactus Threads you might be interested in:

SubjectThread StarterRepliesLast Post
what is a epis? binky1972 16 Aug 19, 2008 10:55 PM
Epiphyllum seed help Kachinagirl 4 Oct 1, 2008 6:42 PM
Epiphyllum blooming MaryE 87 Aug 1, 2007 8:22 AM
The Epis Are Coming, The Epis Are Coming!! 2005 Happenstance 182 Feb 7, 2008 2:40 AM
The Epis Are Here, The Epis Are Here!! 2005 Happenstance 155 Feb 7, 2008 2:42 AM


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