The circumnutation of a young carnation leaf (Dianthus caryophyllus) across a three-day period in June, as illustrated in Darwin’s The Power of Movement in Plants (1896).
Featured on PDR in the essay “Spontaneous Revolutions”: Darwin’s Diagrams of Plant Movement
After weeks of watching young tendrils slowly corkscrew their way toward the sun, Charles Darwin set about inventing a system for making botanic motion visible to the naked eye. Natalie Lawrence delves into a lesser-known chapter of the naturalist’s research, discovering revelations about the vegetal world that remain neglected to this day.
Also appearing in the essay…
The circumnutation of a young carnation leaf (Dianthus caryophyllus) across a three-day period in June
Artist
Date
1896
From
The Power of Movement in Plants
