cluster color colors colour colours flower-cluster flowering flowering-plant flowers foliage green greenery hairy hardy leaves native petals plant spiky stalk stem texture textured textures vegetation white wild wildflower ball barrel Cacti cactus desert garden globe group plants prickles Prickly Spain spanish sphere spikey spines spiny xerophyte clusters groups shade sunlight trees abundant bright brilliant colorful colourful decoration decorative display flora floral flowering plant fragrant fragrant flowers garden flower garden plant maroon nature ornamental pink shrub spiky clusters stems variety appearances arid clumps coloring colouring edge edges garden-display garden-plants irregular light perennials pointed protection shape shapes succulents surface surfaces unusual variations various angles castor-beans castor-oil castor-oil-plant castor-seeds common cotyledons Euphorbiaceae fast-growing flower highly-toxic inflorescences invasive large large-leaves leaf medicinal palm-of-Christ palma-Christi poison poisonous ricinus-communis seed-pods seedhead shrubbery spiky-green-seed-capsule toxic toxins wasteland-weed weed widespread