''Pachypodium decaryi'' is a flowering plant, and a member of the family Apocynaceae. This species was first described in 1922 by Henri Louis Poisson. It is native to central Madagascar, growing on bare rocks with little water and a lot of sunlight. The

caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ...

(swollen stem base) of this species can grow to 40 centimetres in diameter, and the taller stems can grow up to three or four meters. It blooms with white flowers.

References

{{Taxonbar, from=Q2045462 decaryi Caudiciform plants