Eragrostis jacobsiana B.K. Simon. Fl.
Australia 44B: 460, 388 (2005).
Classification. (GPWG 2001) : Subfamily
Chloridoideae. Cynodonteae.
Type of Basionym or
Protologue Information: Australia:
Queensland:
1km from Laura on Welcome Station
Road, 25 Apr 2001, D. Sharp & B.K. Simon
387 (HT: BRI; IT: NSW).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia
(as E. sp. E).
Illustrations:
[2005] K.Mallet (ed.), Flora of Australia 44B: Poaceae 3
(Fig. 72H-O).
Habit. Annual.
Culms erect, 20–60 cm tall, 0 -noded. Lateral branches sparsely branched.
Ligule a fringe of hairs, 2–2.5 mm long. Leaf-blades flexuous, flat, 5–9 cm
long, 2–3 mm wide. Leaf-blade surface smooth, glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle 18–25 cm long, 2–4 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets, comprising 7–40 fertile floret(s), with diminished florets at the
apex, elliptic or oblong or ovate, laterally compressed, 5–14 mm long.
Glumes. Glumes
similar. Lower glume ovate, membranous, keeled, 1-keeled, 1 -nerved. Upper
glume ovate, 1.5–1.6 mm long, membranous, keeled, 1-keeled, 3 -nerved.
Florets.
Fertile lemma 2–2.5 mm long, without keel, 3 -nerved. Palea 2 -nerved. Palea apex entire. Lodicules
present. Anthers 2. Grain 0.5 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland: Cook.
Notes. Qld: 1
Km from Laura on Welcome Station Rd, D.Sharp 387 & B.K.Simon (BRI,
NSW); 12.4 km S of Morehead R on Laura-Musgrave Rd, J.R.Clarkson 8055 &
V.J.Neldner (BRI, CANB, K).
