background brown garden halophyte leaves natural nature plant purple red rosette succulent texture xerophyte xerophytic Aizoaceae angular-pigface Cape-fig carpobrotus-glaucescens coastal creeping-succulent daisy-like-flowers drought-resistant dune-stabilizer edible fire-resistant fleshy flora flower flowers food groundcover Hottentot-plant ice-plant invasive medicinal nutritional open perennials pigface pink-purple plant-mat prostrate salt-substitute salt-tolerant sand-dunes sand-stabilizer smooth-leaves sour-fig strand-ivy sunlight sunshine thick triangular-leaves yellow bee bees insect insects cactus Pink flowers plants architecture crassulaceae elements England english Great Britain mosses roof rooftop succulents terracotta tiles appearances arid clumps clusters colorful coloring colors colourful colouring colours curved curves display edge edges garden-display garden-plants green irregular light ornamental rounded shape shapes surface surfaces textures variations variety abstract Cacti greenery pointed unusual various