Lysimachia vulgaris var.
davurica, a perennial herb inhabiting wetlands in mountainous
regions, grows to 40-80cm in height, with rhizomes extending
sideways for vegetative propagations. Stems are with dense short
hairs and also with glandular hairs. Leaves are opposite or in
whorls of three-four, 4-12cm in length, in the shape of a lanceolate,
with sharp tips. The stem's upper portions set many yellow flowers
in a conical way. Corollas measure 1.2-1.5cm in diameter and are
deeply cut into five. Bloom time: July-Sept.