Agrostis novogaliciana

HABIT Perennial. Rhizomes elongated. Butt sheaths persistent and investing base of culm. Culms erect; 60–75 cm long. Ligule an eciliate membrane; 3–6 mm long. Leaf-blades involute; 12–25 cm long; 2–4 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; obovate; 15 cm long. Primary panicle branches ascending; 2–3 -nate; 5–8 cm long.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 3–5 mm long.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets elliptic; laterally compressed; 3 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; with lower narrower than upper; exceeding apex of florets; thinner than fertile lemma; shiny; gaping. Lower glume elliptic; 3 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein smooth. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 3 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein smooth. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma oblong; 3 mm long; cartilaginous; without keel. Lemma apex obtuse; muticous. Palea 1 length of lemma; hyaline. Rhachilla extension 0.5 mm long.

FLOWER Lodicules 2; membranous. Anthers 3; 1.7–2 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION North America: Mexico.

NOTES Aveneae. Fl Nov Gal 1994.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.