geotropism (jeotropizm)

[ The powers of growth which exist in young seedlings would certainly be called instinctive if they existed in animals, and they are quite as indispensable as those just mentioned in supplying the wants which first arise. These two instincts are the power of directing the growth in relation to the force of gravity, and in relation to light; the first being called geotropism , the second heliotropism. F. Darwin. Same as geotropism . [NL., γῆ , the