Amphipogon strictus

Amphipogon strictus R.Br. Prodr. 175

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

Type of Basionym or
Protologue Information
: HT: R. Brown 6227, no date, Australia: New
South Wales (BM; IT: K, US-75453 (fragm. ex BM)).

Recent synonyms:
A. strictus var. brevisetus Vickery, A. strictus var. setifer
Benth., A. strictus var. hirsutus Vickery.

Key references
(books and floras):
[1810]. R.Brown, Prodromus (175), [1878]
G.Bentham, Flora Australiensis 7 (597), [1952] C.A.Gardner, Flora of
Western Australia
1 Gramineae (137), [2002] D.Sharp & B.K.Simon,
AusGrass, Grasses of Australia, [2006] J.Jessop, G.R.M.Dashorst,
F.M.James, Grasses of South Australia (283), [2008] S.W.L.Jacobs,
R.D.B.Walley & D.J.B.Wheeler, Grasses of New South Wales (120).

[1952] C.A.Gardner, Flora of Western Australia 1 Gramineae (135,
Pl. 40), [1983] J.C.Tothill & J.B.Hacker, Grasses of Southern Queensland
(94), [1984] N.T.Burbidge. rev. S.W.L.Jacobs, Australian Grasses  (49), [2005] K.Mallet (ed.), Flora of
44B: Poaceae 3 (Fig. 2, N-O), [2006] J.Jessop,
G.R.M.Dashorst, F.M.James, Grasses of South Australia  (283, Fig. 219 as var. setifer), [2008]
S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales,
4th edn (120 as var. stricus).

Derivation: L.
erect. Inflorescence branches erect.

Perennial. Rhizomes present, short. Culms erect or geniculately ascending,
25–35 cm tall, 3 -noded. Mid-culm nodes glabrous. Leaves basal and cauline.
Ligule a fringe of hairs. Leaf-blades convolute, 1–15 cm long, 2 mm wide.

Inflorescence solid, a panicle. Panicle oblong, 1–2 cm long, 0.5 cm wide.

Spikelets pedicelled. Basal sterile spikelets absent or rudimentary, 0–3 in
number. Fertile spikelets 1-flowered, comprising 1 fertile floret(s), without
rachilla extension, oblong, laterally compressed, 8–12 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume ovate, membranous, without
keels, 3 -nerved. Upper glume ovate, 5–7 mm long, membranous, without keels, 3

Fertile lemma 6–8 mm long, without keel, 3 -nerved. Lemma surface indumented.
Lemma apex lobed, awned, 3 -awned. Median (principal) awn 2–3.5 mm long
overall. Lateral lemma awns present. Palea 2 -nerved, without keels. Palea apex
dentate, awned. Anthers 3.

: Australasia.

: Western Australia, Northern Territory, South Australia,
Queensland, New South Wales, Victoria.

Western Australia:
Carnegie, Helms, Fortescue, Ashburton, Carnarvon, Austin. Eucla, Irwin,
Drummond, Menzies, Warren, Eyre, Roe, Avon, Coolgardie. Northern Territory:
Victoria River, Central Australia North, Central Australia South. South
: Northern Lofty, Murray, Southern Lofty, South-eastern. Queensland:
Burnett, Darling Downs, Moreton. New South Wales: Central Coast, South
Coast, Northern Tablelands. Victoria: East Gippsland, Gippsland Plain,
Grampians, Lowan Mallee, Midlands, Otway Plain, Otway Range, Wilsons
Promontory, Wannon.

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