Unsurprisingly, the two are related - members of the borage family, with the same dimpled centre shared by many borages and giving one of them its common name: navelwort
Its common name is navelwort
, from its depressed 'belly button' centres.
Wedi iddo ddisgrifio'r planhigyn, mi sylweddolais i mai'r ddeilen gron oedd o (Umbilicus rupestris; navelwort
neu pennywort yn Saesneg).
English: Asian pennywort, Asiatic coinwort, Asiatic pennywort, Indian pennywort, Indian water navelwort
, Marsh penny, Marsh pennywort, Pennyweed, Sheep-rot, Spadeleaf, Thick-leaved pennywort, Water pennywort, White rot 5 Colocasia esculenta (L.
Borage, whose flowers we float in our glasses of Pimms, seeds itself with gay abandon, as do forget-me-nots (pictured) and Omphalodes linifolia, a delightful whiteflowered, glaucousleaved navelwort
that is exceptional in preferring a poor, sunny, well-drained situation.