'apex-veined' originates from Latin, specifically the word 'apex,' meaning 'tip' or 'summit,' and 'vein,' from Latin 'vena,' meaning 'a blood vessel or channel.'

'Apex' and 'vein' were combined in English to describe a specific leaf structure, eventually forming the modern term 'apex-veined.'

Initially, it referred to the tip of a structure and the channels within it, but over time it evolved to specifically describe the vein pattern in leaves.