Picris hieracioides hawkweed oxtongue; cat’s-ear Asteraceae PIHI*; R, cp, mp, jw, k, mp, sv;


Picris hieracioides.en.wikipedia.org

Picris hieracioides.en.wikipedia.org (Accessed 4/2014).

Picris hieracioides is a biennial to short-lived perennial herb, to 0.2-1 m tall, usually short-bristly-hairy (hairs 2-pronged at ends, use lens), sap milky, stems erect, leafy (otherwise looking like a hawkweed), branched above (Radford et al. 1968). 

Leaves alternate, 5-30 cm long including stalk (petiole), 1-5 cm wide, gradually reduced upwards from large rosette, lower leaves widest above middle, upper leaves lance to egg-shaped, rough-hairy below, stalkless, often clasping, margins with a few teeth or lobed. 

Flowers deep yellow, all rays (ligulate), all fertile, flower heads in branched clusters in upper axils, bracteate base 0.8-1.5 cm tall, 0.7-0.9 cm wide, bracts narrow ca 0.1 cm wide, overlapping, in several rows (series). 

Picris hieracioides subsp. spinulosa

Picris hieracioides.basal rosette.Pancrazio Campagna.Luirig.altervista.org ( Accessed 4/2014).

Fruit dry, achenes 4-sided 0.3 cm long, to 0.6 cm long, no beak, plume of white, toothed (plumose) bristles attached directly to achene. 

Origin: Eurasia. 

Wetland status: UPL. 

Frequency in NYC: Occasional 

Habitat: Open, part shaded edges or trail sides of dry oak woods. .