Ah, so I looked into it for a few minutes, guess it's a tricky one.
I can't find her on https://dotarena.gamepedia.com/Heroes
but her closest match is https://dotarena.gamepedia.com/Eva
who is the one depicted on the current awakened card. Her graphic is also the one used for the Hatchery.
It seems Lilith created an original SH character based on Eva, giving her a full mage-oriented kit. The first two "How to obtain" nodes are identical and so is the text description on the matching skills. I originally thought this would be a character eventually added from DoT, but since they're essentially the same, most likely not. Eva's artwork was just re-used for the hatchery, and now the awakening graphic, as a time-saving measure(?). The one on the hatchery screen and popping up on the right of the hero details screen is meant to be Flora, I guess.
Talk about a design decision coming back to bite you in the ass 2 years later ;p