is a perennial herb, 10-20cm in height, found in deciduous
forest floors in mountainous regions. On-stem leaves are in a whorl
of three; each is of ternately compounds with three deeply cleft
leaflets, and margins are serrated. Radical leaves are biternate
leaf compounds with long pedicles. Stem tips bear single
3cm-in-diameter flowers; petaloid sepals are in the shape of a
linear long-oblong, 8-13 in number, with color ranging from light
purple-blue to white. There are many stamens and pistils inside.
Anthers white. Bloom time: March-May.