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Leaf of Tilia tomentosa (Silver lime tree)
Leaf of Tilia tomentosa (Silver lime tree)
Vein skeleton of a leaf. Veins contain lignin that make them harder to degrade for microorganisms.
Vein skeleton of a leaf. Veins contain lignin that make them harder to degrade for microorganisms.
Near the ground these Eucalyptus saplings have juvenile dorsiventral foliage from the previous year, but this season their newly sprouting foliage is
Near the ground these Eucalyptus saplings have juvenile dorsiventral foliage from the previous year, but this season their newly sprouting foliage is isobilateral, like the mature foliage on the adult trees above
A leaf shed in autumn
A leaf shed in autumn
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Stem showing internode and nodes plus leaf petioles
Stem showing internode and nodes plus leaf petioles
This above-ground stem of Polygonum has lost its leaves, but is producing adventitious roots from the nodes.
This above-ground stem of Polygonum has lost its leaves, but is producing adventitious roots from the nodes.
Climbing stem of Senecio angulatus.
Climbing stem of Senecio angulatus.
Decumbent stem in Cucurbita maxima.
Decumbent stem in Cucurbita maxima.