Origin of delphinium
- New Latin Delphinium genus name from Greek delphinion larkspur probably diminutive of delphīs delphīn- dolphin (from the shape of the nectary)
From American Heritage Dictionary of the English Language, 5th Edition
- From Ancient Greek δελφίς (delphis, “dolphin”) because of their flower shape, thought to resemble a back of a dolphin. Named by botanist Carl von Linnaeus (1707-1778).