Hypocalymma angustifolium, commonly known as White Myrtle is a small shrub related to the Tea Tree (Leptospermum) and the Bottlebrush (Callistemon). At five years of age with annual pruning it will be a dense shrub 1 m high with flexible, thin weeping branches.
Arabian coffee tree is a perennial ornamental plant height up to 1.5 m with large, shiny, dark green leaves. Flowers delicate, fragrant, white, in diameter about 2 cm, collected in inflorescence. See my other lots of seeds.