sempervivum tectorum, the common houseleek

flower plant produce wildflower blossom food petal herb shrub nature fruit branch insect lilac leaf vegetable sempervivum tectorum thecommon houseleek growing 15cm 6in tall 50cm 20in broad rosette-formingsucculentevergreenperennial spreading byoffsets has grey-green tuftedsessile leaves 410cm 24in diameter which often suffused rose-red summer bears clusters reddish-purple flowers multiples 8-16 hairy erect flat-topped stems