Acacia simplicifolia

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Acacia simplex.jpg
Acacia simplicifolia/simplex Wikipedia.png Plant-icon.png
0.81% DMT in bark, 0.007% in twigs, co-occurng with 1.44% NMT in bark and 0.29% in twigs (Poupat et al 1976 ref Trout's Notes)

General Plant Info

Acacia simplicifolia (or known as Acacia simplex) is a perennial climbing tree native to the Pacific Ocean islands as far east as Savaiʻi, and also in Argentina. This tree grows up to 12 m in height.

There is no common English name, but it is called tatakia in Fiji, tatagia in Samoa, tātāngia in Tonga and Martaoui in New-Caledonia

Geographic distribution

Located in the Islands of the west Pacific Ocean including: Fiji, Northern Marianas, Vanuatu, Tonga & Samoa.

Also located in South America: Argentina


Alkaloid content

0.81% DMT in bark, 0.007% in twigs, co-occurng with 1.44% NMT in bark and 0.29% in twigs[1]

N,N-Dimethyltryptamine, N-methyltryptamine and other N-methylated tryptamines, plus the harmane alkaloid 2-methyl-1,2,3,4-tetrahydro-β-carboline, are found in the bark[2]


Bark found to contain the alkaloids N-methyltryptamine, N,N-dimethyltryptamine and 2-methyl-1,2,3,4-tetrahydro-B-carboline.[3]

Leafy stems

Leafy stems contain these three alkaloids plus N,N-formylmethyltryptamine and another unidentified base in very low concentrations.[3]

Stem bark

Stem bark, total alkaloid %3.6, %40 N-methyltryptamine, %22.5 N,N-dimethyltryptamine, %12.7 2-methyl-1,2,3,4-tetrahydro-B-carboline.[3]


Twigs, total alkaloid %0.11, %26.3 N-methyltryptamine, %6.2 N,N-dimethyltryptamine, %5.8 2-methyl-1,2,3,4-tetrahyrdo-B-carboline, %1.6 N,N-formylmethyltryptamine.[3]


Other uses

In Fiji, bark decoction is used as a purgative, cold phyllode decoction is used for stomach aches.





  1. Poupat et al 1976 ref Trout's Notes
  2. Photochemistry of Acacia, Dept of Plant Biology, University of Illinois
  3. 3.0 3.1 3.2 3.3 Alkaloids of Acacia simplicifolia, Poupat et al, Phytochemistry, #15:2019-20, 1976