Structure of a pine cone. Longitudinal section of male pine (Pinus sylvestris) cone, showing microsporangium and pollen.

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Size: 3000px × 2248px
Location: Ukraine, Lutsk
Photo credit: © Yaroslav Stepaniuk / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, allergy, anatomy, axis, background, biology, botanical, botany, cell, cone, cycle, embryo, fertilization, food, forest, historical, illustration, life, macro, male, micro, microscope, microsporangium, microspores, morphology, natural, nature, nub, nubbin, nucleus, photography, photos, pine, pinus, plants, pollen, pollens, pollination, reproduction, scots, sections, strobilus, sylvestris, tree