Pigface

The road cut through sand dunes spread patchily with pigface and tumbleweeds and led obliquely to the sea […]

that other fleshy plant, the one called pig-face, had lain across a corner of the cliffs like vivid pink shantung flung across a draper's counter.

My father was forever trying to tame this lumpen block, buttressing it with rock gardens and rock walls garlanded with pigface, courtesy of my mother.

Near-synonym: dogface

Shut up, pigface!