Agrostis trichodes

HABIT Perennial; caespitose. Culms 10–20 cm long. Leaves mostly basal. Ligule an eciliate membrane; 2–2.5 mm long. Leaf-blades filiform; involute; 1–3 cm long; 1 mm wide. Leaf-blade surface scaberulous.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong; 2–5 cm long. Primary panicle branches ascending, or spreading. Panicle branches capillary.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets elliptic; laterally compressed; 1.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; reaching apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 1.5 mm long; hyaline; without keel; 5 -veined. Lemma apex truncate; muticous. Palea 0.66 length of lemma; hyaline.

FLOWER Lodicules 2; membranous. Anthers 3.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION South America: northern South America and western South America.

NOTES Aveneae. Gr Peru 1995.

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