Packera aurea is a perennial herb 30-80 cm tall, colonial from leafy stolons or rhizomes 3-15 cm long.
Leaves alternate, basal leaves long-stalked, blade mostly broadly heart-shaped, to 11 cm long and wide, tips rounded, margin blunt-toothed, often dark purplish on underside, stem leaves much reduced, pinnately divided, upper leaves stalkless.
Flowers yellow, 0.6-ray flowers 1.3 cm long, disk 0.5-1.2 cm wide, bracteate base of head 0.5-0.8 cm high, bracts often purple-tipped; blooming April-June (Hough 1983).
Fruit dry, 1-seeded, achenes with white bristles.
Wetland status: FACW.
Frequency in NYC: Very infrequent.
Habitat: Rich, moist woods often on calcareous soils pH 4.5-8.5, tolerant of shade, intolerant of drought (USDA, NRCS 2006+).