Another early bloomer on this year’s list is Eranthis hyemalis, a winter aconite with yellow flowers that pop open in February.
Seattle Times(Jan 14, 2015)
Eranthis hyemalis.—A charming tuberous rooted plant, called winter aconite.
Various, Encyclopaedia Britannica, 11th Edit...(2012)
Transition from flat to tubular segments of the perianth in Eranthis 24 10.
Masters, Maxwell T., Vegetable Teratology—An Account of...(2010)