Flora of New Zealand Series

C. decipiens (Arnold) Blomb. et Forss., Points-Förteckning Skand. Växter: 69 (1880).

Physcia decipiens Arnold, Flora 50: 562 (1867).

Thallus subsquamulose, radiate effigurate, rosette-forming to somewhat confluent 1-2(-3) cm diam., orange-yellow or lemon-yellow, often dark yellow-brown centrally, pruinose, sorediate, K+ purple, saxicolous. Lobes convex, contiguous, to 5 mm long and 0.25-0.5 mm wide, apices broader, incised-crenate or palmate, ± plicate-radiate, centrally cracked-lobulate to verrucose, soralia round or confluent, mainly central, soredia granular, delicate, orange-yellow. Apothecia not seen in New Zealand material. Chemistry: Emodin, parietin, xanthorin, fallacinal.

S: Canterbury, Weka Pass. On limestone rocks, rather rare.

Cosmopolitan