👉 Speranskia is a genus of flowering plants in the family Apiaceae, native to Europe and Asia. They are characterized by their large flowers with a single, long petal that opens to form a tube-like structure called an inflorescence. The genus contains over 150 species, including common siper (Spermaceti), which is widespread in Europe. The term "speranskia" can also refer to the English word "spencer," which means
