Columnars and little one

If you have a cactus plant and need help identifying it, this is the place to post it.
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Arash37
Posts: 83
Joined: Mon Apr 29, 2019 9:09 am

Columnars and little one

Post by Arash37 »

Hello. I wonder about this 3 plants. Could you help?

1. It is some Espostoa or Austrocephalocereus dybowskii? I'm not sure
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2. Trichocereus?
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3. I have no idea what could it be. Some sort of Lobivia?
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anttisepp
Posts: 946
Joined: Sat Jul 10, 2010 12:00 pm
Location: Suomi - Finland

Re: Columnars and little one

Post by anttisepp »

1st very young Espostoa (ritteri?)
2nd may be as Oreocereus as Borzicactus as Pilosocereus, difficult to say yet
3rd reminds me Lobivia dobeana
imho
all them better to show 1-2 years later
Arash37
Posts: 83
Joined: Mon Apr 29, 2019 9:09 am

Re: Columnars and little one

Post by Arash37 »

Thank you so much. :)
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Glorioustache
Posts: 51
Joined: Thu Jul 04, 2019 3:55 pm
Location: La Antigua Guatemala

Re: Columnars and little one

Post by Glorioustache »

1. Espostoa melanostele subs. nana
2. Xiquexique gounellei subsp. gounellei
Location: Central highlands of Guatemala, 14°N from the equator. Altitude: 1539M AMSL. Climate: Cwb, Subtropical Highland variety. Humidity: 100%
DaveW
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Joined: Thu Dec 20, 2012 2:36 pm
Location: Nottingham, England/UK

Re: Columnars and little one

Post by DaveW »

The generic name "Xiquexique" was new to me, but evidently was validly published.

"Lavor, P., Versieux, L.M. & Calvente, A. 2020. Phylogenetic Relationships of Pilosocereus (Cactaceae) and Taxonomic Implications. PlantNow 1(2): 52–70."

Seemingly Xiquexique was erected as a genus for the former subgenus of Pilosocereus called Grounella:-

"XIQUEXIQUE Lavor, Calvente & Versieux nom. nov. Pilosocereus subg. Gounellea Zappi, Succ. Pl. Res., 3:36 (1994). TYPE: Pilosocereus gounellei (F. A. C. Weber) Byles & G. D. Rowley in Cact. Succ. J. Gr. Brit. 19: 67 (1957). (=Xiquexique gounellei (F. A. C. Weber) Lavor & Calvente)"

You need to scroll to near the end of the following article to get to the erection of the genus Xiquexique :-

https://www.researchgate.net/publicatio ... ea6ceb72d8

Evidently there were some questions originally raised to its validity. Again you need to scroll down the link to read:-

https://www.researchgate.net/publicatio ... _Cactaceae

Also found this on Pilosocereus:-

https://link.springer.com/content/pdf/1 ... 58105437b4
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