Navelwort Umbilicus rupestris

So named because of the navel-like depressions in the centre of its fleshy, bright green leaves.

Navelwort has greenish white bell shaped flowers that arrange themselves in a long spike. 

Distribution

Western UK (south-west Scotland, west and south-west England and Wales).

Habitat

Rocks, banks, walls, not on lime

Best time to see

Flowers June-September.