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Adenium obesum

Adenium obesum

When visiting California a couple months ago, one of the highlights of the garden tours was the chance to visit the Desert Garden Conservatory at Huntington Botanical Garden (it had been closed during my previous visit to the garden). It contains an outstanding collection of plants, including this desert rose.

Adenium obesum is a member of the widely-distributed dogbane family, or Apocynaceae. It is native to eastern and southern tropical Africa, as well as the Arabian peninsula.

You'll note the thickened stem, a trait which grants desert rose membership into an informal grouping of plants called pachycauls (literally, "thick stemmed"). It can also be called a caudiciform, due to the particularly swollen stem at the base (the caudex). Water storage is generally the strategy behind this mode of growth.

See more photographs of desert rose on Bihrmann's Caudiciforms site: Adenium obesum.

9 Comments

Carole Miller commented:

Beautiful, just beautiful and I liked the little catus flower to the right. Just so enjoy your photographs.

Meg Bernstein commented:

This is one I'm sending to all my gardening pals.

TC commented:

Beautiful.

Deb C. commented:

WOW!

Beverley commented:

Adenium obesum - Z9 - RHS Index of Garden Plants, Griffiths
Adenium obesum - minimum 15 degrees C/59 degrees F; optimum 21 degrees C/70 degrees F. A-Z Encyclopedia of Garden Plants, Brickell, Cole, Zuk

elizabeth a airhart commented:

good evening daniel and every one
thank you daniel i have been linking
wonderful really great links

your picture is fine all the plants
look most interesting sitting on the
wood floor on display or for sale

Michael F commented:

Looks like it could do with a larger pot!

Rob B commented:

Very nice plant. Very nice caudex. I could only hope to have a plant that nice.

snezana commented:

I got it as a present from Egypt but I was told that it's kept drawned into water.Like a aquarium with a fish.And that Ishould just pour water every one week.So far it is like a flower shape but only branches.Am I doing the right thing??Thanks

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