Definition of pachycaulCategorized under "General"
Definition as written by palmbob:
Thick stemmed and (usually) succulent tree with few, if any, branches. If branched, branches normally very small in relation to the thickness of the stem. Pachcauls are thick stemmed trees/shrubs and the term rarely refers to smaller plants. These stems are usually quite pithy with little actual wood tissue and are the storage site for water for these succulents.
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