Petasites frigidus var. palmatus (Aiton) Cronquist

Basal leaves: blades palmately nerved, orbiculate or cordate to reniform, 2–40 × 4–50 cm, margins palmately lobed (primary lobes 5–11, lanceolate to oblong or cuneate, sinuses more than halfway to bases, sometimes secondary lobes 0–13, entire or dentate, teeth to 52 per side), adaxial and abaxial faces glabrous or woolly, sometimes glabrescent. Staminate heads 4–32; ray (or pistillate) florets 5–70, corolla laminae 0 or 0.1–6.3 mm; disc floret style branches 0–1.7 mm. Pistillate heads 8–42; ray (or pistillate) florets 51–125, corolla laminae 0 or 0.1–6.3 mm; disc florets: corolla lobes 0.5–2.9 mm, style branches 0–0.8 mm, papillate or hairy. Pappi (pistillate) to 11.8 mm. 2n = 60, 61, 62.

It is a cool temperate plant.

The stalks are eaten raw after removing the fibres. The young leaves and stems are eaten.

Can be grown by divisions or seedlings.