Difference between revisions of "Phalaris aquatica"
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Revision as of 21:15, 6 April 2012
Phalaris aquatica From Wikipedia, the free encyclopedia Phalaris aquatica
Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Monocots (unranked): Commelinids Order: Poales Family: Poaceae Genus: Phalaris Species: P. aquatica Binomial name Phalaris aquatica L. Phalaris aquatica, syn. P. tuberosa, known by the common names Bulbous canarygrass and Harding grass, is a species of grass in the genus Phalaris of the Poaceae Family. Contents 1 Description 2 Toxicity 3 Invasive species
Description
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'. Toxicity
Some Phalaris species contain gramine, which can cause brain damage, other organ damage, central nervous system damage and death in sheep. Leaves and seedlings contain the tryptamine hallucinogens DMT, 5-MeO-DMT and related compounds.[4] 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.
Invasive species
Harding Grass is an invasive species in grassland, oak woodland, and chaparral, and riparian habitats. The California native grasses in rangelands and native grasslands are affected.
