Dichanthelium sphaerocarpon (Panicum s.) round-seed panic grass Poaceae PASP; Bx, pb;

Dichanthelium sphaerocarpon.commons.wikimedia.org

Dichanthelium sphaerocarpon.commons.wikimedia.org Accessed 7/2015).

Dichanthelium sphaerocarpon is a perennial C3 grass (Aliscioni et al. 2003), 15-50 cm tall, stems single or few together, pale green, partly reclining, spreading, nodes hairy, sheaths about as long as internodes, margins hairy, top loose, ligule inconspicuous or none.

Leaves of spring phase plants 6-12 cm long, 0.7-1.5 cm wide, base lobed, clasping stem, often with warty-based hairs, margin hard, raspy textured; winter rosette of broad leaves 1-2 cm wide.

Flower spikelets rounded, about 0.1-0.2 cm, finely hairy, May-Sept.; spring inflorescence 5-10 cm long, 4-8 cm wide, extending well beyond leaves, autumn phase widely spreading or prostrate few branches from lower nodes; July-Nov.

Wetland status: FACU.

Frequency in NYC: Very infrequent.

Origin: Native.

Habitat: Dry to moist woods. Shade tolerant.