80.5 MB (3.9 MB compressed)
5303 x 5303 pixels
45.0 x 45.0 cm ⏐ 17.7 x 17.7 in (300dpi)
DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Mountain andromeda stem. Light micrograph of a transverse section through the stem of a mountain andromeda (Pieris floribunda) plant. This is a drought plant (xerophyte). Xerophytes have developed characteristics to cut down water loss. The outer layer (pink) is a waxy cork cambium. Below this is a thick layer of xylem tissue (red) and at the centre is the vascular bundle. Magnification: unknown.
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