Cross section of Arabidopsis thaliana hypocotyl showing xylem tissue patterning formed by two different cell types – xylem vessels (red) and xylem parenchyma cells. SR2200 and Fuchsin staining of ...

Towering redwoods and lanky jungle vines hoist water from the soil to their lofty leaves through a tubelike tissue called the xylem. In early plants, which reached just a few centimeters and lived ...

Cross section of hypocotyl of 8-week-old Arabidopsis thaliana. The ovac mutant displays enhanced secondary vessel differentiation (red) at the expense of parchenchyma cells. Images A2 and B2 show the ...