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Home→Gardening issues→Personal observation→The amazingly strong stem of the giant sunflower plant →sunflower stem x-section

sunflower stem x-section

Published August 21, 2011 at 450 × 338 in The amazingly strong stem of the giant sunflower plant

View of the cross-section the the Early RUssian sunflower's tough stem

View of the cross-section the the Early RUssian sunflower’s tough stem

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