Dichanthelium oligosanthes var. scribnerianum (Dichanthelium oligosanthes var. helleri; Panicum helleri )|Scribner's rosette grass; few-flowered panic grass|Poaceae

Panicum oligosanthes. Bob Harms. Flora of Purula Preserve, N. Hays Co. TX.w3.biosci. utexas.edu (Accessed 5/2014).

Dichanthelium oligosanthes var. scribnerianum is a perennial C3 grass (Aliscioni et al. 2003), loosely tufted, often purplish, to 70 cm tall, stems hairy to smooth, sheaths usually warty-based hairy (use lens), forming winter rosette of short broad leaf blades, ligule of short hairs 0.1-0.2 cm long.

Leaves alternate, usually hairless above, long-hairy at base, larger leaves to 12 cm long, 1.2 cm wide.

Flower spikelets 0.3-0.4 cm long, smooth to finely hairy, veins heavy, broad, first glume a third the length of spikelet, second glume and sterile lemma about as long as fruit; May-June; primary inflorescence, to 10 cm long, egg-shaped; autumnal phase branched above middle to near the top, forming loose tuft, leaf blades slightly reduced, but longer than the sparsely flowered inflorescences, July-Nov.

Wetland status: FACU.

Frequency in NYC: Very infrequent.

Origin: Native.

Habitat: Open areas, dry to moist soil.

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Dichanthelium oligosanthes var. scribnerianum (Dichanthelium oligosanthes var. helleri; Panicum helleri ) Scribner’s rosette grass; few-flowered panic grass Poaceae R, jw;