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The flowers, appearing from April to August, have five petals united to form a star, ranging from blue to pale lavender or occasionally white; five yellow stamens and a pistil form a projecting center. The plant produces glossy yellow, orange, or red berries that last all winter and may turn brown as they dry. [5]
To administer the test, a user simply has to mix the chemicals with a particle of the suspected substance; if the chemicals turn purple, this indicates the possibility of marijuana. But the color variations can be subtle, and readings can vary by examiner. It was adopted in the 1950s by the United Nations as the preferred test for cannabis ...
The upper side is dark green, bare and shiny, the underside is grey-green with felt-like hairs. When a stem, leaf or unripe fruit is broken, a white milky juice is produced at the breaking point. It is slightly toxic and can cause an allergic skin reaction when touched. The stems are thin and right-winding.
Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed, mentrasto) is native to Tropical America, especially Brazil, and is an invasive weed in many other regions. It is an herb that is 0.5–1 m. high, with ovate leaves 2–6 cm long, and flowers are white to mauve.
When so used, preparations of flowers and fruits (called marijuana) and leaves and preparations derived from resinous extract (e.g., hashish) are consumed by smoking, vaporising, and oral ingestion. Historically, tinctures, teas, and ointments have also been common preparations.
White Widow is a balanced hybrid strain of Cannabis indica and Cannabis sativa [1] [2] [3] that was created and developed by Shantibaba whilst he worked at the Greenhouse Seed Company. [4] [5] White Widow has been described as "among the most popular [strains] in the world" by Popular Science magazine. The strain won the Cannabis Cup in 1995 ...
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Black-bindweed is a herbaceous vine growing to 1–1.5 m (39–59 in) long, with stems that twine clockwise round other plant stems. The alternate triangular leaves are 1.5–6 cm long and 0.7–3 cm broad with a 6–15 (–50) mm petiole; the basal lobes of the leaves are pointed at the petiole.