Opatija is surrounded by beautiful woods of bay laurel. The latter include strawflower, mastic, myrtus, broom, erica, euphorbia, strawberry tree and bay laurel. The oval containing George Washington is propped up by bunches of bay laurel leaves. For this reason, the leaves of the Bay laurel tree do not decay. "Laurus" signifies the leaves' similarities to bay laurel. Other species include willow and alder (along stream courses) and bay laurel. The two gathered California Bay Laurel branches in Sausalito and took portrait photographs together. In California, California bay laurel ("Umbellularia californica") seems to be the main source of inoculum. Bay laurel may also be used; bay laurel wreaths are known as laurel wreaths. Traditional Roman landscaping designs are replicated with manicured bay laurel, boxwood, oleander, and viburnum shrubs. Bay laurel can be used to produce a similar, although not identical, product. The bay laurel is dioecious (unisexual), with male and female flowers on separate plants.