Question

where wss auxins found first​

Answer 1

Auxin is found at tip of the stem in plants.

Answer 2

$\huge\mathfrak{Answer}$

Auxins were the first plant hormones discovered. Charles Darwin was among the first scientists to dabble in plant hormone research.

In his book "The Power of Movement in Plants" presented in 1880, he first describes the effects of light on movement of canary grass (Phalaris canariensis) coleoptiles.