This collection is labelled as BK10512.4 Trichocereus riomizquensis was made by Sacred Succulents at the Rio Mizque in Bolivia. Trichocereus riomizquensis is a species described by Friedrich Ritter and belongs to the Bolivian complex surrounding Trichocereus bridgesii. Some forms get very close to Trichocereus bridgesii, while some others are more like the type of plants we know as Trichocereus sp. “PC”.
BK10509.19 Trichocereus totorensis, Monte Puncu, Cochabamba, Bolivia 2010
Trichocereus totorensis is a columnar cactus from Bolivia. The plant is also known as Trichocereus herzogianus var. totorensis. or Helianthocereus herzogianus var. totorensis. This collection of the species was made during the Sacred Succulents Field Trip 2010. The plants visited were in Monte Puncu, Cochabamba, Bolivia. The plants get up to 2 meters tall and have cub-like shoots that can get up to 10 cm in diameter. The species is endemic to Totora in Boliva.
Trichocereus riomizquensis BK10508.7 is a very cool Plant! that is obviously related to Trichocereus bridgesii.
Trichocereus riomizquensisis probably partially synonymous with Trichocereus bridgesii or belongs to Trichocereus bridgesii in a wider sense. The latter is not very surprising because both are from Bolivia and grow very close to each other.
Ritter gave CHYLLAS near the Rio Mizque in the province Campero as the type locality of Trichocereus riomizquensus, growing on rocky slopes.
Ritter assigned the FR/Winter seed code (after the name of his sister, who ran his seed business) FR856. After all these years, there are only very few plants of Ritter´s FR856 left which still have their original label intact and if thereanybody out there who grows a plant labeled Trichocereus riomizquensis FR856, please let me know and I will add them to the database! There were also seeds given away in the Sacred Succulents Field Trips and I´d love to see photos of the offspring as well.
Martin Cardenas Botanical Garden, Cochabamba, Bolivia 2010 – Sacredsucculents.com
If you are interested in Trichocereus riomizquensis, it can´t get any better than seeing the species in field expert Martin Cardenas´garden in Chochabamba. This plant is very unique, but also shows a close connection to Trichocereus bridgesii. I am sure if I was to take a look at the flowers now, I would see a flower that is extremely close to the flower of Trichocereus bridgesii. Buds, flowers and fruit bear white hairs, which can also be see on the notorious PC clone in the United States (which we suspect might be grown from Ritter´s Trichocereus riomizquensis seeds).
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So here´s another video from the 2020 season, while I …
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