Echinochloa turneriana

Echinochloa turneriana (Domin) Black. Fl.
South Australia.
ed.2, 1: 72 (1943).

Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.

Basionym and/or
Replacement Name:
Domin, Biblioth. Bot. 85: 307 (1915).

Type of Basionym or
Protologue Information
: "West-Queensland: ...", Domin, II.
1910"Original der Art".

Key references
(books and floras):
[1981] M.Lazarides in J.Jessop (ed)., Flora of
Central Australia
(478 as E. turnerana), [2002] D.Sharp &
B.K.Simon, AusGrass, Grasses of Australia, [2006] J.Jessop,
G.R.M.Dashorst, F.M.James, Grasses of South Australia (450), [2008]
S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses of New South Wales

[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia  (450, Fig. 382), [2008] S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn

Habit. Annual.
Rhizomes absent. Stolons absent. Culms erect or geniculately ascending, 15–130
cm tall, 3–6 -noded. Mid-culm nodes glabrous. Leaf-sheaths glabrous on surface.
Ligule a fringe of hairs or absent. Leaf-blades 5–30 cm long, 4–15 mm wide.
Leaf-blade surface smooth, glabrous.

Inflorescence compound, a panicle of racemes. Racemes numerous, appressed, 1–4
cm long, bearing 10–30 fertile spikelets on each. Central inflorescence axis
2.5–13 cm long.

Spikelets pedicelled. Fertile spikelets 2-flowered, the lower floret barren
(rarely male), the upper fertile, comprising 1 basal sterile florets, comprising
1 fertile floret(s), without rachilla extension, elliptic or ovate, dorsally
compressed, 4–5.7 mm long. Rhachilla internodes brief up to lowest fertile

Glumes. Glumes
dissimilar, thinner than fertile lemma. Lower glume ovate, membranous or chartaceous,
without keels, 3–7 -nerved. Lower glume apex mucronate. Upper glume elliptic or
ovate, 4–5.7 mm long, membranous, without keels, 9 -nerved. Upper glume surface
scabrous. Upper glume apex mucronate. Florets. Basal sterile florets 1,
barren, with palea. Lemma of lower sterile floret 100 % of length of spikelet,
membranous or chartaceous, 5–7 -nerved.

Fertile lemma 3.8–5.5
mm long, without keel. Lemma apex mucronate. Anthers 3.

: Australasia.

: Northern Territory, South Australia, Queensland, New South

Northern Territory:
Barkly Tableland, Central Australia North. South Australia: Lake Eyre. Queensland:
Burke, Cook, Gregory North, Maranoa, Mitchell, North Kennedy, South Kennedy,
Warrego, Gregory South. New South Wales: North Far Western Plains.

Notes. In
temperate sub-humid woodlands, acacia shrublands, and arid tussock grasslands.
Flowers sporadically throughout the year but mostly Mar.-July.

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