Calluna England english flowers Great Britain heather ling natural nature plants purple summer Sussex wild abundance abundant Allium ursinum bank bulb garlic green herb path plant profusion ramsons spring track trail trees white woodland early purple orchid Hampshire herbaceous Orchis mascula spike burnt-tip orchid Neotinea ustulata spikes bush flowering Leptospermum scoparium manuka myrtaceae Myrtle family native new zealand shrub tea-tree coastal crassulaceae English stonecrop Pembrokeshire Sedum anglicum united kingdom wales welsh Heracleum sphondylium hogweed stalks stems Umbelliferae umbels wiltshire achene achenes blow blowing clock closeup floating globe globes happy luck mature matures maturing phase phases seed seeds wish yellow allergy seeding