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Petrosedum forsterianum, the rock stonecrop or Welsh stonecrop, is a species of flowering plant in the family Crassulaceae. It is a mat-forming, evergreen stonecrop native to northwestern and southwestern Europe and northern Africa. It may be grown as an ornamental plant or consumed.
Floral diagram Sedum acre. Sedum is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops.The genus has been described as containing up to 600 species, subsequently reduced to 400–500.
Sedum humifusum, the miniature Mexican stonecrop, is a species of flowering plant in the family Crassulaceae. [1] [2] It is native to the Mexican states of Guanajuato, Querétaro, and Hidalgo. [3] A creeping perennial reaching 1 cm (0.4 in), it is available from commercial suppliers, and is hardy to USDA Zone 9. [1] [2]
Phedimus spurius, the Caucasian stonecrop or two-row stonecrop, is a species of flowering plant in the family Crassulaceae. It is a low-growing, spreading succulent with stems that creep along the ground and root as they grow. P. spurius occurs naturally in the rocky subalpine meadows of Georgia, northern Iran, and northeastern Turkey.
Petrosedum is a genus in the family Crassulaceae, subfamily Sempervivoideae, tribe Semperviveae, together with two other genera.It was segregated from the very large cosmopolitan and polyphyletic genus Sedum, where it was variously considered a series (Rupestria).
It is a small perennial plant with green-turquoise or gray-green opposite leaves and a creeping stem forming shrubs. [5] Its flowers are white and small with little black dots on the petals and green ovaries. The Sedum dasyphyllum, typical of the Mediterranean region, usually grows among the rocks, especially among the tuff walls of rural areas.
Sedum spathulifolium is a widespread stonecrop species exhibiting highly variable morphologies throughout its distribution range. [6] While some early literature such as Clausen and Uhl (1944) recognized three subspecies, [7] more recent literature and databases such as the Flora of North America [4] and Plants of the World Online [8] recognized only two varieties.
Petrosedum rupestre plants are typically up to 10 cm high, with sprawling stems and stiff foliage resembling spruce branches, with softer tissue. The leaves are frequently blue-gray to gray but range to light greens and yellows; the flowers are yellow. Like many Sedum species, it has a prostrate, spreading habit.