Trichocereus knuthianus 'Dawsons' x T. peruvianus 'John' Seed
[25 Seeds]

Price: AU$5.25 In Stock: 16 Available
Quantity:

A hybrid cross of knuthianus DAWSONS and peruvianus JOHN. A seed cross from Australian breeder Rodni Kisar.

T. knuthianus DAWSONS originated from Dawson’s Cactus Garden, Bendigo VIC. T. knuthianus has been synonymous with T. cuzcoensis and T. tarmensis but still holds its own as an accepted Trichocereus species. Named after Curt Backeberg’s co-author Knuth, it was said by them to have originated near Rio Maranon, Peru, at approx. 2000m whereas Friedrich Ritter disputed this location instead saying that it was at Huancayo at 3340m.

Knuthianus can grow massive 3m trunks and generally have deeply notched ribs, large, padded areoles with new spines being sand coloured and turning white on older growth. The body colour varies greatly, depending on environment, from a green to full glaucous.

John is an Australian clone originating from Dawsons Garden, Bendigo VIC. A cutting of this peruvianus was gifted to Rodni Kisar, an Australian breeder, who named the plant after the current nursery owner. John is one of the most beautiful peruvianus in our collection with grey-white wool on the areoles and long golden spines, that look white with age, lining the blue grey glaucous body.

A hybrid is formed when crossing two genetically different species with each other. Most hybrids are manmade however some are natural.

With cross pollination the mother plant is the first name, and the father plant is the second. The mother is the plant whose flower was pollenated, and the fruit ripens on, and the father is the pollen donor. When the crossing plants, in most cases, the resulting offspring comes closer to the mother than to the father. However, there are a lot of exceptions to this and sometimes, the genes of the father are simply more dominant.

Every seed packet is hand counted, not weighed, and is guaranteed to contain at least the number of seeds specified, however human error can occur and please don’t hesitate to contact us if there are any discrepancies. These seeds are fresh, either SAB nursery grown or purchased from a reputable trusted breeder.

Syn: Echinopsis
 
Trichocereus knuthianus 'Dawsons' x T. peruvianus 'John' Seed
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