The Fumitory (Corydalis lutea) belongs to Papaveraceae (the Poppy family). It is a perennial herb that is native to the southern part of the European Alps. It prefers alkaline soil and grows to about 40 cm tall. The leaves resemble ferns, and in warm climates they remain evergreen through the winter. It has a very long flowering season, blooming from spring to fall. The yellow flowers are long and narrow, almost tubular. It is rarely seen in Japan, as it is only propagated by seedlings.