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Firmament seal. monstrose growth.

Other Trichocereus

Firmament

Partially documented

Firmament is an Australian that came to wider notice around 2023 through the grower Dylan White, and it is still waiting for a proper description. Growers have compared it to and to melted chalensis forms, and one contributor ruled out the identification some had suggested, the Sacred Succulents Clone C. Its origin, breeder and remain unverified.Too little stands behind this for us to confirm it.

  • monstrose look
  • melted appearance

Other TrichocereusNamed clone: One original plant and every cutting taken from it, given a name by a grower.

Of the 10 things this page says, 10 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 Other Trichocereus

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

Not in the yardAsk if you are after one

Family line

what the record holds

No source in this library records a cross for Firmament. 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

It is grown in Australia and was brought to community attention by the grower Dylan White around 2023.Too little stands behind this for us to confirm it.

It has been explicitly distinguished from the Sacred Succulents bridgesii known as Clone C, after one contributor noted that Clone C is rarely released and does not match the plant shown.Reported, but not confirmed.

What the record holds

The clone's origin, breeder and lineage are all unverified.Too little stands behind this for us to confirm it.

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.

Growth habit
The wiki page has no formal description, only community comparisons to monstrose bridgesii and to semi-monstrose or melted chalensis forms. The wiki page has no formal description, only community comparisons to monstrose bridgesii and to semi-monstrose or melted chalaensis forms.Too little stands behind this for us to confirm it.
Notes
counts, spine configuration and colour are all undocumented.Too little stands behind this for us to confirm it.

What the sources say

The identification is unresolved: suggestions ranged from monstrose bridgesii Clone C to a melted chalensis, with the Clone C reading refuted on the wiki page. The identification is unresolved: suggestions ranged from monstrose bridgesii Clone C to a melted chalaensis, with the Clone C reading refuted on the wiki page. The comparison name was misspelled on the wiki page. The published carries three a's — chalaensis, Rauh and Backeberg, 1956 — and nothing at all is published under the shorter spelling. No binomial is attached here, because the identification is explicitly unresolved.Too little stands behind this for us to confirm it.

Drawing of two plain Trichocereus columns of different heights, standing for the wider genus rather than one plant.
A Trichocereus column, drawn. We don't grow this one, and we will not borrow anybody else's photograph of it.

Filed under the same family, Other Trichocereus. 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.