Thallus ± orbicular, forming clumps, 5-10(-15) cm diam., ± loosely attached, terricolous or saxicolous. Lobes laciniate-elongate, 1-3(-5) cm long, 0.5-1.0 cm wide, narrower and ± canaliculate, ascending at apices, margins entire, with punctate, yellow pseudocyphellae, apices ± furcate or blunt or variously incised. Upper surface pale greyish-blue, reddish-brown at apices when wet and distinctly white-maculate (×10 lens), suffused reddish-brown, cinnamon-brown centrally, distinctly reticulate-faveolate, ridges sharp and well-defined, faveolae deeply lacunose, matt, slightly glossy at apices. Medulla white. Photobiont blue- green. Lower surface ± bullate, pale buff to dark red-brown, uniformly tomentose to margins, tomentum silky, pale buff to brown. Pseudocyphellae yellow, minute, punctiform, scattered, without a distinct margin, sunk in tomentum. Apothecia not seen in New Zealand material. Chemistry: Pulvinic acid, pulvinic dilactone, calycin, stictic, constictic, norstictic and salazinic (±) acids, tenuiorin and three unidentified triterpenes.