Clematis is a wild, climbing shrub found in the Mediterranean.

Clematis flammula: White flowers. Doubly pinnate, often greyish leaves, erect fragrant flowers around 2cm across.

Clematis cirrhosa: White flowers. Lobed or toothed leaves. Nodding flowers 4-7cm across.

Bibliography

Trees and shrubs of the Mediterranean by Helge Vedel, translated from the Danish by Aubrey Rush (Penguin Guides, 1978), p.27.