Triadenum virginicum  (Hypericum v.) marsh St. Johnswort Clusiaceae TRVI; Q, cu, j; R, cp, gr (x), h, is, lp, t, wp;

Triadenum virginicum.Eleanor S. Saulys.www.ct-botanical-society.org

Triadenum virginicum. © 2000 Eleanor S. Saulys.www.ct-botanical-society.org (Accessed 4/2014).

Triadenum virginicum Perennial herb, to 60 cm tall, colonial from rhizomes, stems slender, branched near top or unbranched, winter stems is a park reddish, fruit capsules persistent. 

Leaves opposite, stalkless, oblong, often purplish to 6 cm long, 2 cm wide, tip rounded, base slightly lobed, sprinkled with tiny glandular dots. 

Flowers radially symmetrical, pinkish, to 2 cm wide, 5 petals, 5 sepals narrow, pointed, ovary superior, stamens 9, yellow; inflorescences of small axillary or terminal clusters. 

Fruit dry, 3-parted capsules, cylindrical, to 1.2 cm long, topped with persistent styles, seeds small. 

Wetland status: OBL. 

Frequency in NYC: Infrequent. 

Origin: Native. 

Habitat: Wet open areas, pond edges, clean, undisturbed marshes.