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TBMB seal. long spines recorded.

Bridgesii

TBMB

Grown hereWell documented

Also written as TBM-B

The short form of the Bolivian torch, and the one most often for sale, because a single can be taken without spoiling the plant.One source states this, and our house botanist has checked it. Monstrose growth is a well-known and stable form in this genus, and offsets of it come true.

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

Of the 10 things this page says, 4 name who reports them and 6 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 Bridgesii

Parents

Not recorded

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

Origin

One grower's account names the short form "type B" alongside the long form's "type A".

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

In the yard

1 available now

rooted · $120.00

Family line

what the record holds

No source in this library records a cross for TBMB. 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.

Where the name comes from

One grower's account names the short form "type B" alongside the long form's "type A".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.

  • nearly smooth to heavily spined: this one leans towards heavily spined, read from the spines line below.
  • Not documented yet.

Spines
Strong enough to show even on a small plant, which is one of the ways this form is told from the long one.Reported, but not confirmed.
Growth habit
Pups of roughly six inches stack on and beside each other rather than climbing.One source states this, and our house botanist has checked it. Short pups clumping at the base and alongside each other is an ordinary habit for this genus; nothing implausible.Segments can still reach about a foot, so length on its own does not make a plant the long form.One source states this, and our house botanist has checked it. Segment length varies within any form, so size alone is a poor character for telling the two apart.The owner's plants show knobby segmented growth of no fixed shape, and take California full sun once they are used to it.Reported by one source, and not corroborated anywhere else.
Flowers
One grower reports it has never flowered for them.Our sources take opposite positions on this, and it is not settled.
Notes
Tips finish in a simple slit rather than the long form's more contorted crown. One grower avoids four-inch pots for it, because the pups come out smaller.Too little stands behind this for us to confirm it.

What the sources say

The two records do not agree on how far a segment runs before it stops. One grower puts it at about a foot; the specialist reference has the pups reaching three to six inches and then starting a new one on top. Neither figure is averaged into the other here, and the gap matters because segment length is one of the things growers use to tell this form from the long one.Reported, but not confirmed.

TBMB growing in the yard
Our own plant, in the yard. 6 pictures of it on its collection page.

Filed under the same family, Bridgesii. 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.