Helianthella microcephala, common name purpledisk helianthella,[2] is a North American plant species in the family Asteraceae.

[3][4] Helianthella microcephala is a herbaceous plant up to 80 cm (31 in) tall.

The plant usually produces 3-15 yellow flower heads per stem, in a flat-topped array.

Each head contains 5-13 yellow ray flowers surrounding numerous dark brown or dark purple (almost black) disc flowers.

[5] Media related to Helianthella microcephala at Wikimedia Commons