Amphipogon laguroides

Amphipogon laguroides R.Br. Prodr.
175 (1810).

Classification. (GPWG 2001) : Subfamily
Arundinoideae. Tribe Amphipogoneae.

Type of Basionym or
Protologue Information
: HT: R. Brown 6225, no date, Australia:
Western Australia: New Holland (BM; IT: K, US-75455 (fragm. ex BM)).


Key references
(books and floras):
[1810]. R.Brown, Prodromus (175), [1878]
G.Bentham, Flora Australiensis 7 (599 as Amphipogon laguroides,
Amphipogon cygnorum
), [1952] C.A.Gardner, Flora of Western Australia
1 Gramineae (138), [2002] D.Sharp & B.K.Simon, AusGrass, Grasses
of Australia
, [2002] J.Wheeler, N.Marchant & M.Lewington, Flora of the
South West (399).

[1952] C.A.Gardner, Flora of Western Australia 1 Gramineae (135,
Pl. 40).

Derivation: Gk.
-oides, resembling. Resembling Lagurus in respect of the inflorescence.

Perennial. Rhizomes absent or present, short. Culms erect, 25–30 cm tall, 4–5
-noded. Ligule a fringe of hairs, 0.5–2 mm long. Leaf-blades flexuous,
convolute, 10–20 cm long, 2–3 mm wide. Leaf-blade surface scaberulous,

Inflorescence solid, a panicle. Panicle ovate or globose, 1–1.5 cm long.

Spikelets sessile. Basal sterile spikelets rudimentary. Fertile spikelets
1-flowered, comprising 1 fertile floret(s), without rachilla extension, oblong,
laterally compressed, 5–6 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
without keels, 3 -nerved. Lower glume surface indumented. Upper glume
lanceolate, 5–6 mm long, membranous, without keels, 3 -nerved. Upper glume
surface indumented.

Fertile lemma 4–5 mm long, without keel, 7 -nerved. Lemma surface indumented.
Lemma apex lobed, awned, 3 -awned. Median (principal) awn 5–6 mm long overall.
Lateral lemma awns present. Palea 2 -nerved, without keels. Palea apex lobed,
awned. Anthers 3.

: Australasia.

: Western Australia.

Western Australia:
Drummond, Dale, Menzies, Warren.

Notes. Infra
-specific taxa:
subsp. laguroides, subsp. havelii T.Macfarlane.

Spikelets 7–18 mm long including awns; leaves soft            A. laguroides subsp. laguroides

Spikelets c.25 mm long including awns; leaves stiff             A. laguroides subsp. havelii               

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