ර මෙම ලිපියට ආශ්‍රිත ලිපි වලින් සබැඳි එක්කරන්න; යෝජනා සඳහා සබැඳි සෙවීමේ මෙවලම භාවිතා කරන්න.  (2013 ජූනි)Indigofera tinctoria නිල් අවරියවිද්‍යාත්මක වර්ගීකරණයරාජධානිය:PlantaeDivision:Magnoliophytaවර්ගය:Magnoliopsidaගෝත්‍රය:Fabalesකුලය:Fabaceaeඋපකුලය:FaboideaeTribe:Indigofereaeගණය:'Indigofera'විශේෂය:I. tinctoriaද්වීපද නාමයIndigofera tinctoriaL.Indigofera tinctoria bears the common name true indigo. The plant was one of the original sources of indigo dye. It has been naturalized to tropical and temperate ආසියාව, as well as parts of Africa, but its native habitat is unknown since it has been in cultivation worldwide for many centuries. Today most dye is synthetic, but dye from I. tinctoria is still available, marketed as natural coloring. The plant is also widely grown as a soil-improving groundcover.True indigo is a shrub one to two meters high. It may be an annual, biennial, or perennial, depending on the climate in which it