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Evil Genius

Backebergs Classic Trichocereus Pics

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Hi Guys, those are some of the pics that Backeberg published in his classic six-volumed Book "Die Cactaceae". I thought this could be interesting to some, because it shows some of the features he used to differentiate between Trichocereus Terscheckii and Trichocereus Werdermannianus. I dont think that i´ll be able to post them all today but i´ll keep updating the thread. I´ll also add some additional informations he mentioned in the book and his other publications. There also is one very interesting pic that shows Backebergs Pachanoi. Its the plant he used to sell as grafting stock and this is particularly interesting because we were unsure about the exact look of his Pachanoi. Enjoy and feel free to discuss. bye Eg

Trichocereus Terscheckii

This is Trichocereus Terscheckii. Possibly the Variety Montanus. In the background you can see the Aconquija Chain. The pic was taken by Rose. Take a look at the flowers. They appear over the whole body. This is important because Trichocereus Werdermannianus flowers appear at other places.

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Trichocereus Validus

Trichocereus Validus usually lacks the spines on the peak/maximum. If there are spines, they are very fragile and tiny. The flowers of validus also appear over the whole body. In comparation with the true trichocereoid species like Validus and terscheckii. Backeberg moved Pascana to heliantocereus because it is a dayflowering species and because it has shorter spines. Backeberg mentioned that he witnessed Terscheckii and Validus species flowering at night. At least some of them.

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Flowering Top of Trichocereus Validus

The picture was taken in the Jardin Botanique Les Cèdres, St. Jean -Cap-Ferrat.

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Flowering Trichocereus Werdermannianus

Photo was taken from Mrs. Wilke at the Typuslocation, near Tupiza in the Charcoma valley, Bolivia. Take a look athe flowers.They only appear on the upper max/top. Cardenas also found this species in the dry interandean (not sure if this word is english. In german it means "in the Andes")valeys of the Department Potosi and Cuquisaca at 2600 meters.

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Trichocereus Pachanoi

This is the plant Backeberg used as grafting stock. He sold this Pachanoi for many years. Nevertheless, it is even rare in german collections because people dont know how it looks. I bought this plant a few years ago from a friend backebergs. Not sure if i still have it but i´ll check when i brought my cacti out of the wintering grounds. I also bought the same one once from a spanish mailorder nursery. Not sure if they are in business though.

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Flowering Trichocereus Pachanoi

Backeberg considered the typus location of Tr. Pachanio at the hillsides of the Chan-Chan Valley. He brought this plant into the german collections in 1931.

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Trichocereus Macrogonus

This is a very mysterious plant because it was never found again and people were unsure about its origin. The photo was taken in the private collection of Gastaud. Some suspected this species to be from Brasil. Borg thought it would come from Argentinia or Bolivia but the plant couldnt be found there. Britton and Rose mentioned this species as Eriocereus Tephracantus, which has nothing to do with the species mentioned above.

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Trichocereus Spec. Suspected to be a wild form of Trichocereus Macrogonus

Rauh found this Plant in 1954 and Backeberg suspected it to be a wild form of the missing Macrogonus. Up to 3 m tall, 8 Ribs, rounded on top, strong greyish filthy areoles, R. St (the spines around the areole) up to 10, up to 8 cm long, all brownish, pruinose. Occuring in the middle part of peru in the Apurimac Valley near the Hazienda Marcahuasi, 1900 meters.

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Edited by Evil Genius
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Trichocereus Puquiensis

The photo was taken by Rauh. Grows in the Southern part of Peru in the Puquio Valley at 3300 meters. Differentiates itself from Trichocereus Cuzcoensis by the unthickened spines on the base as well as its higher amount of ribs and its longer middle spines.

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Trichocereus Santaensis

An awesome plant. Looks a lot like Trichocereus Peruvianus but only grows upwards while Peruvianus also occurs laying on the ground. I´ll post pics of that later. This plant is up to 5 meters tall, branching from the ground, Flower has dark-brown or black hairs, growing in north peru in the Rio Santa Valley, Puente, Bedoya, Huayanca. Differentiates itself from Cuzcoensis by its basally unthickened Spines, more pruniousity and less spines as well as shorter middle spines. The populations go down to the Rimac Valley.

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TO BE CONTINUED

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Edited by Evil Genius
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Thank you!

Interesting story behind T. macrogonus

the high resolution images are nice too

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E.G., invaluable...thanks. But don't stop now!

~Michael~

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E.G., invaluable...thanks. But don't stop now!

Absolutely not. :wink: I took about 20 more pics and some of the pictured plants are really stunning. I´ll continue with this thread later on the weekend. When im done with backebergs book, i´ll proceed with books from other well known Authors. I also have some stuff from Werdermann and Ritter as well as Backebergs famous Cactus Journal "Blätter für Kakteenforschung". Very interesting stuff. bye Eg

Edited by Evil Genius
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Trichocereus Macrogonus

This is a very mysterious plant because it was never found again and people were unsure about its origin. The photo was taken in the private collection of Gastaud. Some suspected this species to be from Brasil. Borg thought it would come from Argentinia or Bolivia but the plant couldnt be found there. Britton and Rose mentioned this species as Eriocereus Tephracantus, which has nothing to do with the species mentioned above.

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I bought some seeds labaled as that a while ago

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I bought some seeds labaled as that a while ago

Hi Eatfoo, yeah they arent that rare because many people collected seeds from plants that fit most of the criteria for Trichocereus Macrogonus. Some of them dont but thats another story. Theres a wide range of plants that are being sold as Macrogonus. The Problem is that the plant that originally was described as Trichocereus Macrogonus was never to be found again after that one time. So people are not sure about the correct ID because they have nothing to compare it to. But i think that some people here have a great understanding of the species and i´m pretty sure that most of the Trichocereus Macrogonus species that are shown in our threads are in fact the plant described as Trichocereus Macrogonus. bye Eg

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It's sooo frustrating that the images are not clearer! How I wish these guys could have taken clearer photos!

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Cheers man, you are quite the knowledgeable one ;) Will post picks when it looks like a cactus :P

Edited by eatfoo

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It's sooo frustrating that the images are not clearer! How I wish these guys could have taken clearer photos!

lol yeah absolutely, if someone happens to discover a time-machine, he should travel back in time to give them guys a nice digital reflex camera. :wink:

Cheers man, you are quite the knowledgeable one ;)

nah, i just finally got my ass up to make some of the Info available that i had laying around here for years. And there will be some awesome stuff available in the future as i have gained access to some really invaluable papers from the time backeberg and Ritter were still alive. Unfortunately i cant go into detail now but theres some really cool stuff to come. Trust me.

I´ll continue with this thread next week. take care guys. bye Eg

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thanks dude, this is so nice of you!

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thanks dude, this is so nice of you!

yeah i had the feeling you would like it. :wink: I´ll continue to post some more later when im done with work. bye Eg

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Trichocereus Tulhuayacensis

The photo was taken by C. Ochoa. Backenberg titled the picture as "the only known pink flowering trichocereus species". The plant is up to 2 m tall, 10-12 cm in diameter, slighthly reddish on the Areole ledges. 7-9 Ribs but most of the time 8. The Ribs are 3-3,5 cm wide. V-Mark above the Areoles. Areoles 6-8 mm in diameter, at first yellowish filthy in color, then grey. All spines are usually pointing downwards. 8 R.Spines and 3-4 middle spines. The tip of the spines is brownish, in youth yellow with dark sprinkles. Grows in the middle part of peru, 10 kilometers away from Huancayo, 3400 meters near Huachae. Discovered 1951 by C. Ochoa.

Differentiates itself from Trichocereus Tarmaensis by 3-4 middle Spines as well as the broader basis of the Ribs (Trichocereus Tarmaensis up to 2 cm wide). The pink flowers are also a great indicatior for this species because this is pretty uncommon. Tr. Tarmaensis has NO prink flowers...it flowers white. The spines of the Trichocereus Tarmaensis are also bigger and more cap-like formed. The name that the natives use for this cactus is "Tulhuay".

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Flowering Trichocereus Tulhuayacensis

The photo was taken by Ochoa!

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Trichocereus Tarmaensis

Up to 2 meters tall, branching from the base, the color of the branches lies somewhere between a stump grey and a dark green, up to 10 centimetres in diameter, 7-8 Ribs, V-Notched, all spines are horn-colored at first and become greyish later. Spines up to 10 cm long. One horizontal middle spine. On backebergs personal cutting, the fresh spines were slightly reddish and the older ones in a dark brown. The flower is white. The tube is long and pretty big as well and has some brown black hairs growing on it. The plant grows in Peru, Tarma, on the Dry Hillsides, 3000 meters.

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Trichocereus Taquimbalensis

The first person to discover this plant after the war was Mrs. Wilke. This picture was taken by Cardenas! The plant gets up to 2,50 tall and has some strong branches, dark green colored, up to 15 cm in diameter, 9 Ribs, the areoles have a whitish filth growing on em, 8-13 R. Spines, spines up to 2 cm long, one horizontal middle spine which is pretty strong and which is up to 6 cm long. At first they are light brown colored, later somehow greyish. Flowers up to 23 cm long, with white and dark brown hair growing on em. Growing in Bolivia, Prov. Tarata, Dept. Cochabamba, near Taquimbala, 2800 meters. The flowers are (still?) open during the day.

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Trichocereus Taquimbalensis v. wilkeae

Differentiates itself from the typus by its 2,5 cm long R.Spines. Not sure about the english word for Randstacheln but i think its marginal spines. So everytime i mention "R.Spines", i mean the spines that are all around the areoles. The R.Spines on this variant are curved very strongly and sometimes even totally bended. 4 Middle Spines, very thickened on the base. All spines can have a dark basis or tips. Judging by the phto from Mrs. Wilke, the flowers are a little bit crooked themselves and a little bit slimmer than the ones on the typus. Growing in Bolivia, in the Area of Tupiza, pretty far away from the original typus-location. Mrs. Wilke already found this species before the first worldwar and sent some pups to backeberg, who wanted to name the species after her. But the beginning of the war avoided that. The variant is definately close the the typus plant but differentiates itself clearly by the features mentioned above. Mrs. Wilke used to send Backeberg lots of bolivian plants and thats why he named the variant after her.

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Spine Comparation Trichocereus Taquimbalensis/Trichocereus Tacaquirensis

a1.) Trichocereus Taquimbalensis Typus Plant (Upper left)

a2.) Trichocereus Taquimbalensis v. Wilkeae (Under left)

b.) Oreocereus Maximus

c.) Trichocereus Tacaquirensis

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Edited by Evil Genius
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Those are such beautiful pictures, thank you for posting.

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Thanks for sharing the pics EG. :) Where did you get them?

On T. tulhuayacensis from SS:

T. tulhuayacensis is an upright peruvianoid from Huachac, Peru. A cutting came to us by a friend who had gotten a small piece from Knize in Lima, Peru for $100! The plant has bizarre red, pink, and white mottled blossoms.

Sounds interesting, eh?

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Where did you get them?

I bought Backebergs original six volumed Book DIE CACTACEAE back in the days when i wasnt as broke as i am now. :lol: I have a pretty nice ethnobotanical library and i own most of the classic cactus literate that was written during that time. So if you wanna know something specific just let me know and i´ll check the books.

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Did you forget T. peruvianus?

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~Michael~

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Edited by M S Smith

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Hi Michael, yeah thanks for posting! I´ll continue posting the other ones everytime i get to it.

Very interesting picture, isnt it? You can almost see the fingerprints on it because its so pruinose. :drool2:

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EG! Thanks for posting this valuable information and oldschool photos. :)

I have a taquimbalensis clone that looks a bit different than the ones on your photos, but I guess growing conditions makes the difference.

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