abundant angles appearances castor-beans castor-oil castor-oil-plant castor-seeds cluster clusters common cotyledons Euphorbiaceae fast-growing flower flowers foliage highly-toxic inflorescences invasive large large-leaves leaf leaves medicinal palm-of-Christ palma-Christi poison poisonous ricinus-communis seed-pods seedhead shrub shrubbery spiky-green-seed-capsule spiny surface surfaces textured textures toxic toxins vegetation wasteland-weed weed widespread arid clumps colorful coloring colors colourful colouring colours curved curves display edge edges flora garden-display garden-plants green irregular light ornamental perennials plants rounded shape shapes succulents sunlight variations variety abstract art autumn background beautiful beauty blue bright brown card color concept creation decoration decorative design fall falling fill floral graphic illustration image nature New pretty scrapbooking season style texture unique vector yellow