Stemless Carline Thistle or Silver Thistle (Carlina acaulis, Asteraceae)

acaulis alster alsters asteraceae asteridae bloom blooming blooms blossom blossoming blossoms botany breed breeds carlina carline compositae day daylight daytime during dwarf exterior exteriors flora floral flower flowering flowers in nature nobody of or outdoor photo photos plant plants shot shots silver species stemless the thistle thistle thistles thistles type types varieties variety