Aciphylla scott-thomsonii, also called giant speargrass or taramea, is a species of Aciphylla native to New Zealand.
This herb forms large tussocks up to or exceeding high, with leaves in length.
It produces yellow flowers.
It is endemic to the South Island of New Zealand. It usually grows in subalpine or subarctic areas.
As of 2023, its conservation status was Not Threatened.