Dichelachne montana

HABIT Perennial; caespitose. Culms erect; 40–70 cm long. Lateral branches lacking. Ligule an eciliate membrane; 0.8–1.4 mm long. Leaf-blades 7–14 cm long; 1.5–3 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear; 4–11 cm long; 0.5–1 cm wide.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5–4 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus brief; 0.2–0.3 mm long; pubescent. Floret callus hairs 0.4 mm long.

GLUMES Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 3.4 mm long; 0.9 length of upper glume; membranous; 1-keeled; keeled above; 1 -veined. Lower glume lateral veins absent. Lower glume apex setaceously attenuate. Upper glume lanceolate; 3.8–4 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; keeled above; 1 -veined. Upper glume lateral veins absent. Upper glume apex setaceously attenuate.

FLORETS Fertile lemma elliptic; 3–3.5 mm long; cartilaginous; keeled; lightly keeled; 5 -veined. Lemma margins involute. Lemma apex obtuse; awned; 1 -awned. Principal lemma awn subapical, or dorsal; arising 0.75–0.9 way up back of lemma; geniculate; 5–8 mm long overall; with a straight or slightly twisted column. Palea 2.4–2.6 mm long.

FLOWER Anthers 3; 0.4–0.5 mm long.

FRUIT Caryopsis with adherent pericarp; 2.8–3.2 mm long.

DISTRIBUTION Australasia: Australia.

NOTES Aveneae. Fl Australia 2010.

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