White Stonecrop

Sedum album

"Sedum album" or white stonecrop, is a flowering plant of the genus "Sedum" in the family Crassulaceae. It is found in the northern temperate regions of the world, often growing in crevices or free-draining rocky soil. As a long-day plant it grows vegetatively for most of the year and flowers in June and July.
White Stonecrop Puig Campana, Finestrat, Spain (Nov 2013).
This is a tufted perennial herb that belongs to the Crassulaceae. The stem has leaves that are alternate, fleshy and nearly cylindrical with a blunt, rounded tip and green reddish. In the summer the stems elongate and form flowers.  Is common sight in this area of Spain.
http://www.apatita.com/herbario/Crassulaceae/Sedum_album.html Fall,Geotagged,Sedum album,Spain

Appearance

White stonecrop is a tufted perennial herb that forms mat-like stands. Much of the year the stems are short, semi prostrate and densely clad in leaves. At the flowering time in July and August, the stems lengthen and are erect, occasionally branched and often pinkish-brown. The leaves are alternate, fleshy and nearly cylindrical with a blunt, rounded tip. They are also sometimes tinged with pink, especially in drought-stressed plants. The starry flowers form a dense cyme. The calyx has five fleshy sepals fused at the base, the corolla consists of five regular white petals, there are ten stamens, a separate gynoecium and five pistils. The fruit is five united, many-seeded follicles.
A Closeup of White Stonecrop (Sedum album) Flowers Once again, a very pretty flower easily overlooked because of the size! Canada,Geotagged,Sedum album,Spring,White stonecrop

Habitat

White stonecrop is a low-growing plant that cannot compete with more vigorous fast-growing species. It is specially adapted for growing on thin dry soils and can be found on walls, dry banks, seashore rocks and in rocky meadows.

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderSaxifragales
FamilyCrassulaceae
GenusSedum
SpeciesS. album