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TBMA, a bridgesii grown in the yard, recorded as monstrose. Skin smooth and spineless down most of the column; spines usually none, with an occasional ordinary spine and, rarely, a yellow one. Photograph 1 of 6 of this clone.
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TBMA

Also written as TBM-A

If you're a fan of the classic long-form TBMA look, this is a nice one. It's got that unmistakable growth habit that collectors know for its long, smooth, goofy-looking shape.

Read the reference entry → — what the name TBMA means, where it came from, and what other growers record about it.

One of these is in the shop right now.

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Species group
Bridgesii
In the yard since
Not recorded yet
Where it came from
Not recorded yet
Photographs
6 on this page

Anything marked “not recorded yet” is a fact I have not written down. I would rather leave the gap than guess at it.

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Each listing is one specific plant, photographed as it is today.

The story

Once rooted, it develops the classic knobby monstrose growth that collectors love.

Photographs

My own pictures of this plant, taken in the yard. The drawn frames are my illustrations, standing in until I have photographed the rest.

  • July 2026

  • Line drawing of a crested cactus, its growing point stretched into a wavy fan lined with areoles

    Illustration

  • Line drawing of a tall ribbed San Pedro cactus standing in the ground, its areoles and spines running up the crest of each rib

    Illustration

  • Line drawing of a rooted cactus cut away at the soil line, showing the buried stem and the roots spreading below it

    Illustration

  • Line drawing of a clumping cactus, offsets pushing up around the base of the mother stem

    Illustration

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