Hypericum tomentosum is a species of flowering plant of the St. John's wort family (Hypericaceae) that is found in the western Mediterranean.
The placement of H. tomentosum within Hypericum can be summarized as follows:
Hypericum subg. Hypericum
subsect. Adenosepalum
subsect. Aethiopica
Huber-Morathii group
subsect. Caprifolia
H. tomentosum