Sometimes it’s easy to oversimplify plant anatomy. For example, trees don’t have blood. They have sap. It might be tempting to say that they carry sap in their xylem, the way we have blood in their veins...
Tag - earlywood
Alun Salt
Accumulation of ferruginol in heartwood-forming xylem
Time-of-flight secondary ion mass spectrometry & quantitative analyses are used to study distribution of ferruginol in a 30-yr tree of Cryptomeria japonica.
botanyone