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Umbilicus
DC. 1801

Etymology: Umbilicate due to the shape of its leaves.
Place of Origin: Mediterranean region and Western Asia.

It is characterized by its fleshy, rounded leaves with a central depression resembling a navel. These leaves are arranged in basal rosettes capable of storing water, allowing the plant to withstand dry periods in rocky habitats. It features slender flowering stems with hanging inflorescences of small flowers. It grows in crevices, walls, and damp cliffs. During summer, it may reduce to a tuberous root hidden within the rock. It possesses a remarkable ability to colonize constructions and vertical surfaces.
SuculentasCrassulaceae UmbilicusDC.  1801
Foto:Jleon 2008-05-24 Photograph taken at Cerro del Hierro (Seville) on a rocky wall. A thickening of the stem is visible, likely due to the inability to find space for a tuberous root within the hard rock where it is located.

Main Taxa
umbilicus-gaditanus-boiss

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

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.

Other Taxa:
Umbilicus heylandianus (Webb & Berthel)
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