Hieracium venosum rattlesnake weed Asteraceae HIVE; Bx, pb (DeCandido 2001); R (DeCandido 2001);


Hieracium venosum.Eleanor Saulys.www.ct-botanical-society.org

Hieracium venosum.© 2000 Eleanor Saulys.www.ct-botanical-society.org (Accessed 4/2014).

Hieracium venosum is a perennial herb, sap milky, stems 20-80 cm tall, usually hairless. 

Leaves mostly basal, 3-16 cm long, including stalk, 0.8-5 cm wide, elliptic to widest above middle, midrib and veins reddish-purple, very conspicuous, blade often purplish on underside, long-hairy along margin and near base; stem leaves 0-3, small. 

Flowers yellow, all rays, 15-40 per head, bracteate base of flower heads 0.7-1 cm long; blooms May-July. 

Fruit dry, 1-seeded achenes, 0.3-0.4 cm narrow near top. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open, dry woods. Usually on banks where leaves do not accumulate.