Triodia barbata R.L.Barrett & M.D.Barrett. Telopea 13 (1–2): 58 (2011).
Classification. (GPWG 2001) : Subfamily Chloridoideae. Triodeae.
Type of Basionym or
Protologue Information: Western Australia: E. of Pompeys Pillar, southern
Ragged Ra, east Kimberley, 4 Feb 2010, R.L.Barrett 6607 (holo: PERTH
08239711; iso: BRI, CANB, DNA, K, MEL, NSW).
Habit.
Perennial. Culms 80–120 cm tall. Leaf-sheaths smooth or antrorsely scabrous.
Leaf-sheath auricles absent. Ligule absent. Leaf-blades aciculate,
conduplicate, 25–60 cm long, 0.7–1.1 mm wide. Leaf-blade surface glabrous.
Inflorescence.
Racemes 10–13 cm long. Central inflorescence axis 27–55 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets comprising 4–6 fertile floret(s), with
diminished florets at the apex, elliptic, laterally compressed, 3.5–4.5 mm
long.
Glumes. Glumes
similar, thinner than fertile lemma, dull. Lower glume ovate, scarious or
cartilaginous, without keels, 3 -nerved. Lower glume apex mucronate. Upper
glume ovate, 2.7–3.5 mm long, scarious or cartilaginous, 1-keeled, 3 -nerved.
Upper glume surface asperulous. Upper glume apex mucronate.
Florets.
Fertile lemma 3.2–4 mm long, without keel, 9 -nerved. Lemma surface indumented.
Lemma apex lobed. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: Western Australia.
Western Australia:
Gardner.