Helianthus (sunflower) leaf midrib showing cell structure, x100

---

Size: 3155px × 3071px
Photo credit: © Chris Howes/Wild Places Photography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biology, cell, cells, close, helianthus, leaf, microscope, microscopy, midrib, petiole, phloem, plant, section, stalk, structure, sunflower, transverse, xylem