Maclura tinctoria

Maclura tinctoria, known as old fustic and dyer's mulberry,[3] is a medium to large tree of the Neotropics, from Mexico to Argentina. It produces a yellow dye called fustic primarily known for coloring khaki fabric for U.S. military apparel during World War I. This dye contains the flavonoid morin.[4]

Maclura tinctoria

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Moraceae
Genus: Maclura
Species:
M. tinctoria
Binomial name
Maclura tinctoria
Synonyms[2]
  • Chlorophora tinctoria (L.) Benth. & Hook. f.
  • Maclura mora Griseb.
  • Morus tinctoria L.

The leaves can be used to feed silk worms.[5]

Old fustic is not to be confused with young fustic (Rhus cotinus) from southern Europe and Asia, which provides a more fugitive colour.

Dyeing

Fustic is a bright yellow dye that is very color-fast when used with mordants. It is frequently combined with other dyestuffs and various mordants to produce a range of yellow and greenish colors:[3]

  • With woad or indigo: bright or Saxon greens
  • With bichromate of potash: old gold
  • With logwood and bichromate of potash: greenish yellows
  • With copper sulfate: olive greens
  • With ferrous sulfate: dark greens
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References
  1. Rivers, M.C.; Barstow, M. & Mark, J. (2017). "Maclura tinctoria". IUCN Red List of Threatened Species. 2017: e.T61886731A61886745. Retrieved 11 August 2020.
  2. "Maclura tinctoria". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 17 December 2017.
  3. Goodwin, Jill (1982). A Dyer's Manual. London: Pelham Books Ltd. p. 60. ISBN 0-7207-1327-7.
  4. "Morus tinctoria". Retrieved 20 February 2010.
  5. Mabberley, D.J. (1997). The plant book: A portable dictionary of the vascular plants. Cambridge: Cambridge University Press.


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