False-col of marihuana plant

False-col of marihuana plant

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Credit: DAVID SCHARF/SCIENCE PHOTO LIBRARY.

Caption: False colour scanning electron micrograph (SEM) of the surface of the of a marihuana plant, Cannabis sativa (family: Moraceae). The leaf surface is covered with long cystolyth hairs (containing calcium carbonate and other organic materials) and glandular trichomes. In the adult leaf, the trichomes may be seen to be of two types; capitate trichomes - those with heads, and peltate trichomes, which are rounded and closer to the leaf surface. Nodules of resin containing the euphoriant drug tetrahydrocannabinol (THC) are exuded from the trichomes. Magnification: X71 at 35mm size. Original is BW print b745/101.

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Keywords: botany, cannabis sativa, leaf, leaves, marijuana, nature, plant, plants, trichome

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