Hypericum punctatum is a perennial herb, erect, 0.5-1 m tall, few branches below inflorescence
Leaves opposite, sessile, blade 4-6 long, over 1 cm wide, oblong, tip and base blunt, surface marked with tiny black and clear dots.
Flowers yellow, 0.8-1.5 cm wide, petals 5, 0.8-1.5 cm long, surface densely covered with amber dots, often persistent wide, sepals 5, 0.3-0.4 cm long, egg-shaped, tips blunt, surface pointed heavily dotted and lined with black, persistent, stamens numerous, styles 3, often red; inflorescence crowded, branched cymes; blooms June-Aug.
Fruit dry, a cylindrical capsule, seeds tiny; fruits Sept.- Oct.
Wetland status: FAC-.
Frequency in NYC: Infrequent.
Habitat: Low, moist open areas in thin woods, edges (Hough 1983). Soil pH 4.7-6.5 (USDA, NRCS 2006).