 The upper surfaces of the leaves are glabrous or have hirsute to strigose hairs.The basal leaves are petiolate, with petioles that are 5 to 30 cm long and 1 to 8 cm wide, the cauline or stem leaves have petioles that are 2 to 25 cm long and 0.5 to 7 cm wide, the bases are attenuate to cordate or auriculate in shape.The flower heads are often produced one per stem but are also often produced in corymbiform arrays with 2 to 7 flowers per stem.