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McRib seal. Plain ring: nothing here sets a rib count, a spine length or a growth form the ring can mark.

Name only

McRib

Name only

Also written as Macrogonus × Ribshifter

McRib is a wearing a joke. Growers record the name written out as its two parents, a and a plant called Ribshifter, and by the convention this library already teaches, the name on the left carried the fruit. That is the whole of what we can stand behind: the parents are read off the name as it circulates, not from anybody's account of the cross being made, and neither parent has a documented plant behind it here.Reported, but not confirmed.

HybridCross: A seed-grown plant from two named parents, written mother × father.

Of the 5 things this page says, 5 are marked as something we cannot confirm. Where a line is not settled, it says so underneath.

Added 23 Aug 2026

At a glance

Species

Not recorded

No source named a species for this one.

Filed under Hybrid

Parents

Trichocereus macrogonusRibshifter

Seed parent: Trichocereus macrogonus · Pollen parent: Ribshifter

Origin

The name is recorded in circulation written out in full as its two parents, which is how the parentage on this entry was read.

grown from seed

In the yard

Family line

tap any name to visit it

Parents: Trichocereus macrogonus, no entry yet, unconfirmed by our sources; Ribshifter, Other Trichocereus family, unconfirmed by our sources. This cultivar: McRib.

Seed parentTrichocereus macrogonusno entry yetPollen parentRibshifterMcRibyou are here

Every ring is that plant’s own seal, in its family’s colour — open one to keep going.

Each plant wears its own seal here, coloured by its family — so a cross shows which side brought what before you read a name. A dashed ring is a plant with no page here yet, and a wire is only ever drawn from a parent somebody wrote down. Children are worked out from the other entries rather than stored on this one, so recording a cross anywhere lights it up on both plants.

The line matters as much as the box. A dashed line is a cross we can report but cannot confirm. Every cross drawn here is at that weakest reading, which is the true state of this plant's record.

Drawn 3 generations each way. Everything our sources record for this plant is in the drawing; the family stops there, not the tree.

The parents are read off the cross name itself, which is how the name circulates, and not from any account of the cross being made. Neither parent is separately documented in our sources, and no entry exists for Ribshifter, so it draws as an unlinked name rather than a page.Reported, but not confirmed.

The longer version

Writing a cross as mother by father is the convention the community's own seed pages set out, and it is the convention this library follows.Reported, but not confirmed.

Where the name comes from

The name is recorded in circulation written out in full as its two parents, which is how the parentage on this entry was read.Reported, but not confirmed.

Character

A bar is drawn only where one of the lines below states it — never from the species, never from a photograph.

  • Not documented yet.

  • Not documented yet.

  • Not documented yet.

Nobody has described the skin, the ribs or the spines of this one anywhere we could cite, so there is nothing here to draw or to list.

What the sources say

A name that reads like a cross is evidence of how growers write the name, not of a breeder's record. Nothing outside collector name lists documents either the cross or the plant called Ribshifter.Reported, but not confirmed.

Drawing of a cross: one column carrying a rounded, nearly spineless habit on one side and a deeply notched, long-spined one on the other.
A hybrid column, drawn. We don't grow this one, and we will not borrow anybody else's photograph of it.

Filed under the same family, Hybrid. The better-documented ones come first.

Keep exploring

Cultivar histories in this hobby are passed between growers; where sources disagree we say so rather than pick a side.