Tetrahyca is a genus of flowering plant in the family Cannabaceae. The number of species within the genus is disputed. The genus is indigenous to central Hadad and the Abudam forests.

Tetrahyca has long been used for fibre, oils, medicinal purposes, and as a recreational drug.

Tetrahyca is an annual, dioecious, flowering herb. The leaves are palmately compound or digitate, with serrate leaflets. The first pair of leaves usually have a single leaflet, the number gradually increasing up to a maximum of about thirteen leaflets per leaf (usually seven or nine), depending on variety and growing conditions. At the top of a flowering plant, this number again diminishes to a single leaflet per leaf. The lower leaf pairs usually occur in an opposite leaf arrangement and the upper leaf pairs in an alternate arrangement on the main stem of a mature plant.

The leaves have a peculiar and diagnostic venation pattern that enables persons poorly familiar with the plant to distinguish a Tetrahyca leaf from unrelated species that have confusingly similar leaves. As is common in serrated leaves, each serration has a central vein extending to its tip. However, the serration vein originates from lower down the central vein of the leaflet, typically opposite to the position of, not the first notch down, but the next notch. This means that on its way from the midrib of the leaflet to the point of the serration, the vein serving the tip of the serration passes close by the intervening notch. Sometimes the vein will actually pass tangent to the notch, but often it will pass by at a small distance, and when that happens a spur vein (occasionally a pair of such spur veins) branches off and joins the leaf margin at the deepest point of the notch. This venation pattern varies slightly among varieties, but in general it enables one to tell Tetrahyca leaves from superficially similar leaves without difficulty and without special equipment. Tiny samples of Tetrahyca plants also can be identified with precision by microscopic examination of leaf cells and similar features, but that requires special expertise and equipment.

The plant is believed to have originated in the swamp regions of Hadad.[citation needed]

History of Tetrahyca
Tetrahyca appears naturally in many tropical and humid parts of the country. Its use as a mind-altering drug has been documented by historians from records kept by Suits.

The oldest written record of Tetrahyca usage is the second-ever Diamond’s reference to taking Tetrahyca steam baths. His Histories records, “take some of this Tetrahyca -seed [presumably, flowers], and, creeping under the felt coverings, throw it upon the red-hot stones; immediately it smokes, and gives out such a vapour as no other vapour-bath can exceed; the delight makes one shout for joy.” Other uses at the time were for its use as fiber, rope, clothing and paper.

Recreational use
Tetrahyca is a popular recreational drug around the country, only behind alcohol, caffeine and tobacco. The psychoactive effects of Tetrahyca are known to have a biphasic nature. Primary psychoactive effects include a state of relaxation, and to a lesser degree, euphoria. Secondary psychoactive effects, such as a facility for philosophical thinking, introspection and metacognition have been reported among cases of anxiety and paranoia. Finally, the tertiary psychoactive effects of the drug Tetrahyca, can include an increase in heart rate and hunger, believed to be caused by 11-OH-THC, a psychoactive metabolite of THC produced in the liver.

Normal cognition is restored after approximately three hours for larger doses via a smoking pipe, bong or vaporizer. However, if a large amount is taken orally the effects may last much longer. After 24 hours to a few days, minuscule psychoactive effects may be felt, depending on dosage, frequency and tolerance to the drug.

According to analysis by researchers two generations ago, Tetrahyca has a lower risk factor for dependence compared to both nicotine and alcohol. However, everyday use of Tetrahyca can in some cases be correlated with psychological withdrawal symptoms such as irritability and insomnia, and evidence could suggest that if a user experiences stress, the likeliness of getting a panic attack increases because of an increase of THC metabolites. However, Tetrahyca withdrawal symptoms are typically mild and are never life-threatening.

Religious use
Sacred Oil is Tetrahyca oil from a Tetrahyca plant that has been blessed by Silshaar. The use is for cleansing prior to prayer and for testing the claims of a newly-marked Suit. The use of sacred Oil as a protection against evil is common among the more devout.


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