Umbilicus gaditanus (Boiss) A rock-dwelling plant commonly found on walls, cliffs, and damp crevices throughout the western Mediterranean. It forms basal rosettes of fleshy, rounded leaves, often with a central depression resembling a navel. The flowering stems are slender and upright, bearing drooping inflorescences with small flowers. During dry months, it may reduce to a tuberous root hidden within rock crevices. It differs from its sister species *U. rupestris* in having more rounded contours and a less pronounced navel. Etymology: With reference to the province of Cádiz, where he/she is originally from.Place of Origin: Southern Iberian Peninsula, Macaronesia, and northern Morocco.
Umbilicus rupestris ((Salisb) Dandy & Rib 1948) A rock-dwelling plant commonly found on walls, cliffs, and damp crevices throughout the western Mediterranean. It forms basal rosettes of fleshy, rounded leaves, often with a central depression resembling a navel. The flowering stems are slender and upright, bearing drooping inflorescences with small flowers. During dry months, it may reduce to a tuberous root hidden within rock crevices. It differs from its sister species *U. gaditanus* in having more angular leaves and a more pronounced navel. Etymology: Lives on rocks.Place of Origin: Western Europe and Mediterranean region.