Thallus very small, 0.5-1.5 cm diam., foliose, rounded, adnate or usually ± ascending, deeply lobate, ± dark olive-green, lower surface concolorous or paler, matt or slightly glossy, without isidia but sometimes with knob-like to coralloid or somewhat flattened outgrowths, sparse to numerous, the rest smooth. Lobes few, free or imbricate, rounded or somewhat extended, plane to concave, margins slightly undulate, 1-3 mm broad, not swollen, entire, incised or sublobulate. Thalli ± crowded, separation between individuals often difficult to see. Apothecia numerous and dense, often crowded and ± covering lobes, laminal and submarginal, flattened, sessile with a constricted base, or broadly adnate, 0.3-0.8(-1.2) mm diam., disc plane to subconvex, pale to dark red, glossy, epruinose, thalline margin thin, smooth to densely verrucose or knotted, not prominent, persistent or ± disappearing, a very thin, pale, proper margin sometimes visible. Ascospores 6-8 per ascus, monostichous or distichous, ± imbricate, linear-oblong to subellipsoid or subovoid, with rounded to obtuse ends, 4-celled, not constricted at septa, (13-)15-17 × 4.5-5(-6.5) µm. Pycnidia not seen.