1. The method of obtaining leafy biomass from undifferentiated plant cells, which includes obtaining undifferentiated plant cells, their contact with an agent that stimulates the differentiation of cells into deciduous tissue, and growing cells in a culture system with temporary immersion in a liquid. The method of claim 1, wherein the plant cells are cells from a monocotyledonous or dicotyledonous plant. The method of claim 2, wherein the dicotyledonous plant is any of tobacco, tomato, potato, bean, soy, carrot, cassava or Arabidopsis. The method of claim 2, wherein the monocotyledonous plant is any of corn, rye, oats, millet, sugarcane, sorghum, maize, wheat or rice. The method according to claim 1, wherein the plant cells are cells of a medicinal plant, wherein the main drug product is produced in leaves. The method of claim 5, wherein the plant is any one of Atropa sp, Hyoscyamus sp, Datura sp, Papaver sp, Scopolia sp, Digitalis sp, Macuna sp, Taxus sp, Camptotheca sp, Cephalotaxus sp, or Catharanthus sp. Artemisia sp, such as Artemisia annua. 7. The method of claim 1, wherein the plant is an energetic crop. The method of claim 7, wherein the plant is any one of Miscanthus sp, Jatropha sp, Panicum sp, willow, palm, maize, cassava or poplar. The method according to claim 1, wherein the agent that stimulates the differentiation of cells into deciduous tissue is a plant hormone, preferably cytokinin. The method according to claim 9, wherein the cytokinin is any natural or artificial cytokinin belonging to the type of adenine or the type of phenylurea. The method of claim 10, wherein the cytokinin is any one of adenine, kinetin, zeatin, 6-benzyl1. Способ получения лиственной биомассы из недифференцированных растительных клеток, который включает получение недифференцированных растительных клеток, их контакт с агентом, стимулирующим дифференцировку клеток в лиственную ткань, и выращивание клеток в культуральной системе с временным погружением в жидкость.2. Способ по п
