Isatis tinctoria growing herbaceous of the genus Isatis also known as Woad or Glastum, Isatis tinctoria short perennial evergreen or annual plant, used as ornamental plant or to as blue dye color, can grow in temperate or subtropical climate and growing in hardiness zone 4-9.
Leaves color green in linear shape, the leaves twisted and wavy in the margin.
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Isatis tinctoria flower
Flower color yellow in cross shape.