Thallus corticate, continuous, olive-green to yellowish-green or buff, matt or shining, dimpled, minutely plicate in parts, rarely irregularly cracked. Perithecia immersed, scattered, solitary, visible as hemispherical dimples entirely covered by cortex. Ostiole pale, apical, punctiform. Perithecial cavity 0.2-1.0 mm wide, involucrellum 20-60 µm thick, carbonised. Ascospores ovoid to broadly ellipsoid with pointed ends, ± lemon-shaped, 4-locular, the central two locules largest, rounded, (20-)22.1-26 × 10.2-12(-14) µm. Chemistry: Yellow pigment UV+ quench.