It is an erect, waist-high, stout perennial bunch grass with grayish to bluish green leaves. Flowering heads are dense, spike-like, and usually two to five inches long. It is slow to develop from seed, but can form large bunches after several years.
Phalaris arundinacea (reed canary grass) differs from Harding grass in having more distinct rhizomes and an inflorescence that is compact at first but later becomes more open as the branches spread.
Hybrids of Harding grass and reed canary grass have been produced. Varieties include 'AQ1', 'Uneta', and 'Australis'.
Leaves and seedlings contain the tryptamine hallucinogens DMT, 5-MeO-DMT and related compounds. A raw, dried plant Phalaris aquatica contains approximately 0.1% DMT, 0.022% 5-MeO-DMT, and 0.005% bufotenin. A particular strain of P. aquatica from Italy, labeled 'AQ-1', was reported to contain in excess of 1.0% alkaloid concentration.
- "Phalaris aquatica information from NPGS/GRIN". www.ars-grin.gov. Retrieved 2008-04-02.
- Toxicants of Plant Origin - Google Book Search. books.google.com. Retrieved 2008-04-20.
- Tryptamine Carriers FAQ
- Phalaris / DMT FAQ
- Phalaris: Some of the many strains of interest.
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