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Altman's Trichocereus pachanoi Monstrose (TPM) seal. monstrose growth.

Name only

Altman's Trichocereus pachanoi Monstrose (TPM)

Name only

Also written as Altmans TPM

This entry covers the sold through the nursery Altman Plants, and its wiki page is empty. The title tells you the source and the growth form; nothing on the wiki page describes the plant, dates its release or separates it from other monstrose pachanoi. One other wiki page argues it may be the same as TPQC.Too little stands behind this for us to confirm it.

PachanoiNursery selection: A selection a nursery or seed house put a name on and sold.

Of the 4 things this page says, 1 names who reports it and 3 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 botanical name on file. What the sources do say about its species is in the writing below.

Filed under Pachanoi

Parents

Not recorded

No source names a mother or a father for this one.

Origin

No record found

We have read the sources we hold and none of them says where this plant came from.

no source says whether it is seed-grown or a cutting line

In the yard

Family line

what the record holds

No source in this library records a cross for Altman's Trichocereus pachanoi Monstrose (TPM). Nobody names a mother or a father for it, and no other entry here names it as a parent.

That is the record, not an oversight: of the 749 names in this library, 693 have no recorded relation either. Most named clones were selected, cut and passed along without anyone writing down what they came out of. A parent goes in here when a source states it and never because a name looks like one — a wrong pedigree would travel further than a blank one, because pedigrees get copied.

If you know where it came from, tell us — a person reads everything before it appears.

The longer version

Species, as our sources record it: pachanoi, monstrose (from the wiki page title).Reported by one source, and not corroborated anywhere else.

What the record holds

The wiki page holds a title and no content at all; the nursery name and the monstrose designation come from the title itself.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

On the TPQC page the grower who named that clone states they became fairly sure by 2014 that Altman's plant was the same clone as theirs. Nothing on the wiki page confirms or denies it.Too little stands behind this for us to confirm it.

Drawing of a pachanoi-type column: broad, with low rounded ribs, almost no spines, and a small notch in the rib above each areole.
A Pachanoi column, drawn. We don't grow this one, and we will not borrow anybody else's photograph of it.

Filed under the same family, Pachanoi. 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.