| | Agropyron pauciflorum (Schwein.) Hitchc. |
| |
|
| Family | Gramineae — APG family: Poaceae |
| Synonyms | Triticum trachycaulum Link, Triticum pauciflorum Schwein., Agropyron trachycaulum (Lihk) Malte, Agropyron tenerum Vasey. |
| Description | Tufted; sheaths of leaves usually glabrous; nodes of culm glabrous; leaves 24 mm wide, flat, usually scabrous above; spikes slender, 6-25 cm long; spikelets 10-16 mm long, usually green, rarely reaching bases of those above on the same side; glumes nearly as long as spikelet, keeled, acute or acuminate or tapering into very short awn, 4-7-ribbed, scabrous on ribs, usually coriaceous with hyaline-scarious margin 0.4-0.6 mm wide; lemmas 9-13 mm long, glabrous or more or less scabrous toward tip, awnless or with very short awn; joints of rachilla usually scabrous or strigose, tightly embraced; anthers 1.3-2 mm long. |
| Ecology | Dry, open soil, subalpine meadows, riverbanks, hillsides. Described from “prairies of St. Peter” (Minnesota). |
