Lianqiancao has a square stem, long and thin stem, often in a twisted state, grayish green or slightly purplish, with short villi, and the middle of the stem is empty.
The stem of Lysimachia christinae is long and thin, the stem is twisted, the surface is not fluffy, the diameter is between 0.2 and 0.4cm, the surface is brown or dark brown red, with longitudinal lines.
Lianqiancao's leaves are opposite. Most of them are shrunk. When the leaves are flattened, they are kidney shaped or nearly heart-shaped. The edges of the leaves have round blunt teeth, which are gray green or green brown. The petioles are thin.
The leaves of Lysimachia christinae are opposite, the kidney is round, oval or nearly round, green, the length is 2 to 6cm, the width is 1 to 4cm, the apex of the leaves is blunt to round, the base is truncated to light heart, a little fleshy.
