Lachnagrostis aemula (R.Br.) Trin.

Fund. Agrost. 128 (1820) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Tufted glabrous annual, culms ascending to erect, to 60 cm high. Leaf-blades to 20 cm long; ligules obtuse to acute, 1–4 mm long. Inflorescence a loose panicle, to 30 cm long, its base often enclosed by the upper leaf-sheath until maturity, then divaricately branched and breaking off below the lower branches. Spikelets 3.6–5.5 mm long (excluding awn), usually purplish (green when immature); glumes narrowly acuminate, the lower usually slightly longer, keeled toward the apex, smooth or scabrous along the keel; lemma 1.8–3 mm long, 4-toothed at apex, the outer pair of teeth to 1 mm long, lemma body covered with hairs in the lower three-quarters, awned from near the middle; awn bent, exceeding spikelet by 2–7 mm; palea c. three-quarters as long as lemma; rachilla bristle plumose; anthers 0.6–1.2 mm long.Leaf-blades flat or loosely folded, 3–10 mm wide. Flowers mainly Sep.–Jan.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, HNF, HSF, LoM, MonT, MuF, MuM, NIS, OtP, SnM, Strz, VAlp, VRiv, VVP, WPro, Wim. Usually occurs in poorly drained sites, from sea-level to the sub-alps. Fairly common in eastern Victoria and on the basalt plains near Melbourne, rather rare in the west (e.g. Hamilton, Mortlake, Kanya near St Arnaud).

Lachnagrostis punicea var. punicea was formerly included in L. aemula (as Agrostis aemula var. setifolia (Hook. f.) Vickery.

Source: Walsh, N.G. (1994). Poaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne (as Agrostis aemula var. aemula).
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Lachnagrostis aemula in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Lachnagrostis aemula in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Fans present native
Gippsland Plain present native
Otway Plain present native
Goldfields present native
Central Victorian Uplands present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Strzelecki Ranges present native
Monaro Tablelands present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory