Pileus
Cap 5-13 cm broad, convex, becoming centrally depressed and vase-shaped; margin incurved, sometimes upturned in age; surface viscid when moist; color variable: various shades of orange and green arranged in concentric zones, orange often fading, while green tones continue to develop, predominating at maturity; flesh yellowish-orange, when cut yielding an orange latex soon turning green; taste, slightly bitter.
Lamellae
Gills close, subdecurrent, orange, greenish in age, bleeding an orange latex that stains green.
Stipe
Stipe 3-6 cm tall, 1.5-2.5 cm thick, equal to sometimes tapered at the base, orange, dry, occasionally with flattened pits (scrobiculations), bruising and staining green with age; veil absent.
Spores
Spores 7.5-11 x 6-7.5 µm, broadly elliptical, with amyloid reticulations. Spore print creamy-buff.
Habitat
Solitary, scattered to gregarious under pines; fruiting from late fall to mid-winter.