"Apogeotropic" Quotes from Famous Books
 ... petioles of our specimens did not penetrate the ground to a greater depth than about inch, yet they continued for some time to grow rapidly, and finally attained the great length of about 3 inches. The upper part is apogeotropic, and therefore grows vertically upwards, excepting a short portion close to the blades, which at an early period bends downwards and becomes arched, and thus breaks through the ground. Afterwards this portion straightens itself, and the ...
— The Power of Movement in Plants • Charles Darwin |
