Houttuynia cordata, a
perennial herb, 15-50cn in height, grows in semi-shady areas and
forms in colonies. The whole holds a unique smell, and the leaves
are in the shape of a cordate, 3-8cm long, with tips shortly
pointed. Stem's upper parts emerge 1-3cm long racemes and set many
small flowers; the pieces that look like petals are involucral
bracts, four in number. Bloom time: June-July.