Laguardia by Nnedi Okorafor

On a planet Earth bursting with integrated extraterrestrial life, pregnant doctor Future Nwafor Chukwuebuka is fleeing Nigeria under mysterious conditions.

Her fiance doesn't know she's left, and she's smuggling an illegal, sentient plant into NYC. There, she'll be thrown into a vibrant immigrant community of humans and aliens, fighting for social justice and facing her past and her unexpected future.