Panicum philadelphicum Philadelphia panic grass Poaceae PAPH; R;

 

Panicum philadelphicum.Anna Gardner.Iowa State University.www.eeob.iastate.edu.research.iowagrasses.index.html

Panicum philadelphicum.Anna Gardner.Iowa State University.www.eeob.iastate.edu (Accessed 5/2014).

Panicum philadelphicum is an annual C4 grass (Aliscioni et al.), 10-50 cm tall, slender, branched from base. 

Leaves yellow-green, 0.3-0.8 cm wide. Sheaths and leaves often bristly-hairy. 

Flower spikelets 1-flowered, about 0.2 cm long, egg-shaped, mostly paired at ends of very thin stalks. 

Fruit becoming black; June-Oct. 

Wetland status: FAC- (USDA, NRCS 2010). 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Open, dry woods, fields, sandy or rocky soil.