Triumfetta pilosa var. nyasana Sprague & Hutch.

pilosa: pilose, with long soft hairs;
nyassana: of Nyassaland (now Malawi).

Shrubby perennial herb, up to 1.5 m tall. Leaves mostly ovate-lanceolate, up to 15 cm long, 3-5 veined from the base, densely silvery hairy, particularly on the under surface; apex acute; base cordate or rounded; margin coarsely serrate. Flowers in axillary clusters, pale yellow, densely hairy. Sepals slightly longer than the petals. Fruit 15-27 mm in diameter including the bristles or aculei. Aculei curled into hooks at the apex.

Kenya, Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.