Ferula tingitana, the giant Tangier fennel, is a species of the Apiaceae genus Ferula. Despite the name, the plant is not a type of fennel proper, which belongs to another genus.
In botany, an umbel is an inflorescence that consists of a number of short flower stalks that spread from a common point, somewhat like umbrella ribs. The word was coined in botanical usage in the 159
Compound umbel of a hemlock-parsley, Conioselinum pacificum (Apiaceae)
Compound umbel of a wild carrot, Daucus carota (Apiaceae)