A plant hormone that promotes stem elongation, seed germination, and flowering. Gibberellins are particularly important in breaking seed dormancy and promoting dramatic stem growth in some plants.
Named after the fungus Gibberella fujikuroi, which was first observed causing abnormal elongation in rice plants in Japan. The hormone was isolated from this fungus in the 1930s, leading to the discovery of natural gibberellins in plants.
Gibberellin is like a plant's espresso shot - it can make dwarf plants grow tall, wake up sleeping seeds, and trigger dramatic growth spurts, which is why some plants treated with gibberellin can grow several feet in just days!
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