An influential diagram of plants growing on the slopes of some Andes Mountains needs an update, scientists say. Created 212 years ago by German explorer Alexander von Humboldt, the Tableau Physique is ...

IN investigations of plant development it is helpful to be able to represent diagrammatically the changes which occur in the distribution of dry weight, total nitrogen or some other variable as the ...

Both plants have evolved into a similar shape due to the same evolutionary pressure to trap insects, although their aims in trapping them differ (Arisaema: reliable pollination; Sarracenia: nutrient ...