Indigofera longiracemosa

Botanical Description

Indigofera longiracemosa is an erect, branching rather woody annual or short-lived perennial herb; it can grow up to 2 metres tall with slender, cylindrical, red-brown, sparingly strigulose stems[ 610 Title Flora of Tropical East Africa Publication Author Beentje H.J. Website http://plants.jstor.org/search?st=396814 Publisher Royal Botanic Gardens; Kew. Year 2002 ISBN Description Available on-line, a modern flora of East Africa. , 328 Title African Flowering Plants Database Publication Author Website http://www.ville-ge.ch/musinfo/bd/cjb/africa/recherche.php Publisher Conservatoire et Jardin Botaniques. Year 0 ISBN Description Contains information on over 150,000 plant names (including synonyms) giving a description and habitat, plus a distribution map. ]. Indigo, of which this species is a minor source, has a very long history of use as a dye. Because of its fascinating deep blue colour, its great colour fastness to light and the wide range of colours obtained by combining it with other natural dyes, it has been called 'the king of dyes' and no other dye plants have had such a prominent place in as many civilizations as this genus. It was at one time widely cultivated for this purpose but, with the advent of synthetic dyes, demand for the plant dropped dramatically and it is now only grown on a small scale in places such as Madagascar and Indonesia[ 317 Title Mansfeld's Database of Agricultural and Horticultural Plants Publication Author Website http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336 Publisher Year 0 ISBN Description Terse details of a huge range of useful plants. ]. In some areas, especially Madagascar, this species is held to provide a superior dye to other Indigo species and it was widely used on both a domestic and an industrial scale until late into the 20th century[ 299 Title Protabase - Plant Resources of Tropical Africa. Publication Author Website http://www.prota.org Publisher Year 0 ISBN Description An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa. ].