Tree Mallow Taken at Barns Ness on 11th June 2023 using Nikon D500 with Sigma 600 mm zoom lens.  Taken using Panasonic Lumix TZ70 in macro mode. Foliage Taken at Skateraw on 30th December 2018  using Nikon D500 with Sigma 600 mm zoom lens.  ( New ) Tree Mallow. Species: Order: Family: Habit: Malva arborea. Malvales. Malvaceae. Annual, biennial or perennial Habitat: Height: Flowers: Feature: Coastal areas. Tolerates sea water to varying degrees, at up to 100% sea water in its natural habitat, excreting salt through glands on its leaves. 0.5 - 2 mts tall. June - September. The leaves of the species are used in herbal medicine to treat sprains, by steeping them in hot water and applying the poultice to the affected area. It is theorised that lighthouse keepers may have spread the plant to some British islands for use as a poultice and to treat burns, an occupational hazard.