Trichomes on a thyme leaf

Trichomes on a thyme leaf

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This image is part of the feature World Of Oliver Meckes

Credit: EYE OF SCIENCE/SCIENCE PHOTO LIBRARY

Caption: Thyme leaf surface. Coloured Scanning Electron Micrograph (SEM) of the underside of a leaf of the herb thyme, Thymus vulgaris. Two types of leaf hairs (trichomes) are seen, and stomata. Stomata appear as small, green circular structures; they serve as pores for the exchange of gases from the leaf surface. Unbranched multicellular hairs (blue) are seen which may have a protective function or reduce evaporation from the leaf. Glandular spherical structures (yellow) are modified hairs; these are the source of the aromatic oil of thyme. Thyme is used as a herb in cooking. It also has medicinal properties. Magnification: x150 at 6x6cm size.

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Keywords: botany, gland, glands, glandular, hair, herb, leaf, leaf hair, leaves, medicinal plant, nature, plant, plants, stoma, thyme, thymus vulgaris, trichome, type

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