Avellinia michelii*

Avellinia michelii*
(Savi) Parl. Pl. Nov. 61 (1842).

Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.

Basionym and/or
Replacement Name:
 Bromus michelii
Savi, Bot. Etr. 1: 78 (1808).

Key references
(books and floras):
[1952] C.A.Gardner, Flora of Western Australia 1
Gramineae (63), [1981] M.Lazarides in J.Jessop (ed)., Flora of
Central Australia
(434), [2002] D.Sharp & B.K.Simon, AusGrass,
Grasses of Australia
, [2002] J.Wheeler, N.Marchant & M.Lewington, Flora
of the South West (404), [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses
of South Australia
(205), [2009] A.Wilson (ed.). Flora of Australia,
Vol 44A. Poaceae 2 (154).

[1952] C.A.Gardner, Flora of Western Australia 1 Gramineae (61,
Pl. 16), [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South
 (204, fig. 152), [2009].
A.Wilson (ed.), Flora of Australia 44A: Poaceae 2 (155, Fig.23).

Habit. Annual.
Culms erect or geniculately ascending, stature slender to delicate, 6–30 cm
tall. Mid-culm internodes pubescent. Leaf-sheaths hairy. Ligule an eciliate
membrane, 0.4–1 mm long, truncate. Leaf-blades 10–20(–50) cm long, 0.6–1 mm
wide. Leaf-blade surface indumented.

Inflorescence compound, a panicle. Panicle lanceolate, 2–7 cm long.

Spikelets. Spikelets
pedicelled. Fertile spikelets 1 or more flowered, with 1 fertile floret (2–4),
comprising 2–4 fertile floret(s), with a barren rachilla extension, oblong or
cuneate, laterally compressed, 3–5.1 mm long.

Glumes. Glumes
dissimilar, shiny. Lower glume linear, membranous, keeled, 1-keeled, 1 -nerved.
Upper glume elliptic, 3–5.1 mm long, membranous, keeled, 1-keeled, 3 -nerved.

Fertile lemma 3–5 mm long, without keel, 3–5 -nerved. Lemma apex entire or
dentate, awned, 1 -awned. Median (principal) awn from a sinus, 1–2 mm long
overall. Lodicules present. Anthers 3.

: Europe, Africa, Temperate Asia, and Australasia.

: Western Australia, South Australia, Victoria.

Western Australia:
Irwin, Drummond, Dale, Menzies, Warren, Eyre. South Australia: Flinders
Ranges, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern
Lofty, Kangaroo Island, South-eastern. Victoria: Eastern Highlands,
Gippsland Plain, Grampians, Lowan Mallee, Midlands, Murray Mallee, Otway Range,
Wilsons Promontory, Volcanic Plain, Wannon, Wimmera.

Notes. Lemma is 5-veined
(not 1–3), apex is entire, and awn does not arise from a sinus as described for

Vic. and S.A. Occasional weed of
sandy soils; dry sites, on sand in heath, mallee and dunes. Flowers Sept.-Nov.


AVH 2011

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith