Anatomy of Cannabis: Difference between revisions

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==== Trichomes ==== Trichomes are resin-filled glands that appear on the sugar leaves and buds of Cannabis in the flowering stage. They contain THC, CBD, and other cannabinoids. They first appear on the plant as a translucent colour but slowly turn milky white as the plant matures. The opacity indicates the amount of THC in the trichrome. As flowering continues the milky white colour turns to amber as the THC converts into CBD. More on trichomes at [https://dutch-passion.com/en/blog/what-are-cannabis-trichomes-and-how-do-they-affect-your-smoke-n986#types Dutch Passion] <div align='center'> <ul> <li style="display: inline-block;"> [[File:Interior of glandular trichomes.jpg\|thumb\|none\|300px]] </li> <li style="display: inline-block;"> [[File:Close up trichomes.png\|thumb\|none\|400px]] </li> </ul> </div> ==== Terpenes ==== ~~Organic~~The organic compounds found in the highest concentration in buds that create the taste and aroma of Cannabis.[[File:Cannabis stigma.png\|thumb\|180x180px\|Stigma held in a pair of forceps]] ====Stigma==== Hair-like structures that emerge from the bud are often (confusingly) referred to as Pistils. This is most likely because the stigma -possessing female plants are referred to as pistillate, which then became short-hand.<ref>https://weedmaps.com/learn/dictionary/pistil</ref> The colouration of the stigma can provide some insight into the maturity of the plant, as the plant matures, the stigma ~~turn~~turns from white to orange. ====Bract==== [[File:Calyx Growth.png\|thumb]] [[File:Bract Anatomy.png\|thumb\|The bract in detail by Juan Ganjagod\|link=Special:FilePath/Bract_Anatomy.png]] The first part of the flower that forms, the Bract provides protection for the pistils and stigma and is the most resinous part of the bud. As the plant matures the Bract will swell and engulf more of the stigma. The Bract is often identified as a calyx but the calyx actually resides inside of the bract.<ref>The Nomenclature of Female Flowers, 2017 ===Node=== The points on the main stem that lateral branches emerge from. In the vegetative stage, nodes sprout two branches on opposite sides of the main stem. In flowering, lateral branches sprout in a staggered fashion alternating the side of the main stem they grow from. ~~The third node is where the plant begins to develop strong bud-producing branches.<sup>[citation needed]</sup>~~ ==Plant metrics== === Transpiration rate === The rate at which water is being absorbed by the roots and expelled through the leaves via the stomata. The [[Temperature and Humidity#VPD\|VPD]] of the environment a plant is in determines the maximum rate of transpiration. This is a key metric for determining the growth rate of a plant. ===Inter-nodal distance=== Distance between [[Anatomy_of_Cannabis#Nodes\|nodes]] on the main stem.