Armeria welwitschii

Armeria welwitschii is a species of flowering plant in the thrift family (Plumbaginaceae), endemic to central coastal Portugal. It is often cultivated as an ornamental in rock gardens.

Description
Armeria welwitschii is a perennial evergreen subshrub up to 50 cm in height. It has numerous aerial branches, covered with dry leaves. It has lanceolate leaves that reach up to 10 cm long by 0.7 cm wide. Its pods are reddish, scapes are 7 - 30 cm long and sometimes pubescent. The flower calyx is 7 - 10 mm and has pink to white, sometimes purple flower petals. 2n=18; n=9. It flowers between February and May.

Distribution and habitat
Armeria welwitschii grows in sand dunes and coastal cliffs on sandy or rocky soils from Cabo Mondego south to Cascais in central coastal Portugal. It lives in frost-free Mediterranean climates in its native habitat but can tolerate USDA hardiness zone 6.