Ectrosia ovata Nightingale. Flora
of Australia 43(1): 376. 2002.
Classification. (GPWG 2001) : Subfamily
Chloridoideae. Cynodonteae.
Type of Basionym or
Protologue Information: Australia: Queensland: 1 km from the Musgrave to
Lakefield road on the track to Low Lake, Lakefield National Park, Cook
District, 8 Jul 1987, J.R.Clarkson & B.K.Simon 7070 (HT: NSW; IT:
BRI, K, L, MBA, QRS).
Illustrations:
[2005] K.Mallet (ed.), Flora of Australia 44B: Poaceae 3 (Fig.
78).
Habit. Annual.
Culms erect, stature slender to delicate, 20–50 cm tall, 3–7 -noded. Mid-culm
internodes glabrous. Lateral branches sparsely branched. Leaf-sheaths glabrous
on surface. Ligule a fringe of hairs, 0.2 mm long. Leaf-blades flat, 6–15 cm
long, 1–2.5 mm wide. Leaf-blade surface glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle oblong, 10–25 cm long, 3–5 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets, comprising 1–5 fertile floret(s), with diminished florets at the apex,
oblong or ovate, laterally compressed, 6–15 mm long (excluding awns).
Glumes. Glumes
similar. Lower glume lanceolate, membranous or coriaceous, keeled, 1-keeled, 3
-nerved. Upper glume lanceolate, 5–5.5 mm long, membranous or coriaceous,
keeled, 1-keeled, 3 -nerved.
Florets.
Fertile lemma 5–10 mm long, keeled, 5–7 -nerved. Lemma apex muticous or
mucronate or awned, 1 -awned. Median (principal) awn 1–16 mm long overall.
Palea 2 -nerved. Anthers 3. Grain 1.5–2 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland:
Cook.
