Birch tree and rootlets, illustration. The inset (lower left) shows the development of rootlets on the roots of this tree. Some plants (including birc

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Birch tree and rootlets, illustration. The inset (lower left) shows the development of rootlets on the roots of this tree. Some plants (including birch trees) develop what are known as cluster roots (proteoid roots). These develop under low phosphate or low iron conditions.

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Size: 4012px × 4355px
Photo credit: © MIKKEL JUUL JENSEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, artwork, betulaceae, biological, biology, birch, botanical, botany, cluster, deficiency, flora, illustration, inset, iron, mineral, nature, phosphate, proteoid, root, rootlet, rootlets, roots, system, tree