There are 4-6 leaves of Hedysarum aureum, which grow very closely. They alternate in the upper part of pseudobulb and generally have yellow patches. Its shape is long elliptic or elliptic lanceolate, and its length is longer than 25cm. Its apex is acuminate or acute, and both sides of the leaf are glabrous.
The flower of Hedysarum flavum is yellow of lemon. When it is lifted up, the petals are oblong and oblanceolate, very similar to the length of sepals, and the apex is relatively blunt and hairless. Generally, it will open between April and October. The pollen is in the shape of a group of eggs, with a length of about 2mm.
