The leaves of Helianthus tuberosus are two types, the young leaves are single leaves, arrow shaped or halberd shaped, the old leaves are palmate leaves with 5 to 9 cracks, the newly grown leaves are light, the old leaves are dark green, and the leaves are thick.
Taro leaves are basal, shield shaped, arrow shaped or heart-shaped, with smooth petioles, 15-25cm long. The surface of the leaves is covered with transparent or opaque spots of various colors. The back is pink green, the apex of the leaves is narrow and has a sharp point. The posterior lobes are 1 /2 of the front lobes, and are oblong ovate.
The color of spathe is light green or yellow.
Inflorescence stalks short and petioles, ca. 10 to 13 cm long. The tube of the spatula is oval, 3 cm long, green outside and green white inside. The male inflorescence is spindle shaped, 3 cm long, 7 mm thick in the middle, and gradually narrowed to both ends.
