{"url":"https://treescape.app/api/species/polystichum-luctuosum/?format=json","slug":"polystichum-luctuosum","latin_name":"Polystichum luctuosum","description":"Polystichum luctuosum is a species of fern known by the common names Korean rock fern and Tsushima holly fern. It is a small, clump-forming, tufted, evergreen to semi-evergreen fern native to Japan, Korea, Taiwan, China, Vietnam, and Thailand, as well as southern Africa. The fern grows to about 1–1.5 feet in height, with a spread of 1–1.5 feet, with stipe up to 30 cm long, pale to mid-brown, with dark brown to almost black scales, and bi-pinnate, glossy, dark green fronds.","gbif_id":4046493,"image_thumbnail":"https://treescape.app/media/plant_species/images/thumbnails/polystichum-luctuosum_thumbnail_5dfZRAI.jpg","image_large":"https://treescape.app/media/plant_species/images/large/polystichum-luctuosum_thumbnail_IlLrxnD.jpg","properties":{"height_maximum":"0.75","height_confidence":"0.9","height_source":"https://treescape.app/api/sources/1207/?format=json","width_minimum":null,"width_typical":null,"width_maximum":null,"width_confidence":null,"width_source":null,"soil_acidity_minimum":null,"soil_acidity_typical":null,"soil_acidity_maximum":null,"soil_acidity_confidence":null,"soil_acidity_source":null,"climate_zones":[],"growth_habits":["https://treescape.app/api/growthhabits/fern/?format=json"],"human_uses":[],"ecological_roles":[],"soil_preferences":[],"propagation_methods":[]}}