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  2. Eutrochium purpureum - Wikipedia

    en.wikipedia.org/wiki/Eutrochium_purpureum

    Eutrochium purpureum, commonly known as purple Joe-Pye weed [4] or sweetscented joe pye weed, [5] is an herbaceous perennial plant in the family Asteraceae. It is native to eastern and central North America , from Ontario east to New Hampshire and south as far as Florida , Louisiana , and Oklahoma .

  3. Lean (drug) - Wikipedia

    en.wikipedia.org/wiki/Lean_(drug)

    Lean or purple drank (known by numerous local and street names) is a polysubstance drink used as a recreational drug. It is prepared by mixing prescription-grade cough or cold syrup containing an opioid drug and an anti-histamine drug with a soft drink and sometimes hard candy .

  4. Marquis reagent - Wikipedia

    en.wikipedia.org/wiki/Marquis_reagent

    purple to black 0–5: May have dark purple tint Amphetamine, or methamphetamine: orange to brown 0–5: May have a brown tint 2C-B: yellow to green 5–10: Color may change from initial result [7] DXM: gray to black 15–30: Initially no change; takes much longer to reach black than MDMA

  5. Lamium purpureum - Wikipedia

    en.wikipedia.org/wiki/Lamium_purpureum

    Lamium purpureum grows with square stems to 5–20 centimetres (2–8 in), [4] rarely 40 cm, in height. [5] The leaves have fine hairs, are green at the bottom and shade to purplish at the top; they are 2–4 centimetres (3 ⁄ 4 – 1 + 1 ⁄ 2 in) long and broad, with a 1–2 cm petiole (leaf stalk), and wavy to serrated margins.

  6. Echium plantagineum - Wikipedia

    en.wikipedia.org/wiki/Echium_plantagineum

    Echium plantagineum, commonly known as purple viper's-bugloss [1], Paterson's curse or Salvation Jane, is a species of the genus Echium native to western and southern Europe (from southern England south to Iberia and east to the Crimea), northern Africa, and southwestern Asia (east to Georgia).

  7. Alternanthera brasiliana - Wikipedia

    en.wikipedia.org/wiki/Alternanthera_brasiliana

    Alternanthera brasiliana, also known as large purple alternanthera, metal weed, bloodleaf, parrot leaf, ruby leaf, Brazilian joyweed, purple alternanthera, purple joyweed, is a flowering plant of the amaranth family that is native to the forests of South America and as well as Central America, ranging from northeastern Mexico to northeastern Argentina.

  8. Eutrochium fistulosum - Wikipedia

    en.wikipedia.org/wiki/Eutrochium_fistulosum

    The plant has one simple erect stem, which is green with purple dots or longitudinal dashes and can grow over six feet tall. The upper stems are reddish or purplish. Leaves and primary subdivisions of the flower head appear in whorls of 3–5 (rarely 2 or 6, the rotational symmetry of most plants is consistent). Leaves are large, long and ...

  9. Synthetic cannabinoids - Wikipedia

    en.wikipedia.org/wiki/Synthetic_cannabinoids

    These are achieved at lower doses, because many synthetic cannabinoids are more potent than marijuana, and users are often unaware of exactly what they are getting and how potent it is. [55] For example, Δ 9-THC has an EC 50 of 250 nM at CB 1 and 1157 nM at CB 2, whereas PB-22 has an EC 50 of 5.1 nM at CB 1 and 37 nM at CB 2. [8]