Paspalidium johnsonii B.K.Simon. Austrobaileya 9: 212 (2010).
Classification. (GPWG 2001) : Subfamily Panicoideae.
Type of Basionym or
Protologue Information: Queensland. Burke District: Amphitheatre, 40 km N
of Musselbrook Mining camp, 3 May 1995, R.W.Johnson MRS792 & M.B.Thomas (holo:
BRI; iso: DNA, K ).
Habit. Annual.
Culms erect or decumbent, 7–20 cm tall, 3–5 -noded. Ligule absent. Leaf-blades
involute, 1–4 cm long, 5–7 mm wide.
Inflorescence.
Racemes 10–20, appressed, 0.4–0.6 cm long, bearing 1(–2) fertile spikelets on
each. Central inflorescence axis 1.5–4 cm long.
Spikelets.
Spikelets sessile. Fertile spikelets comprising 1 basal sterile florets, 1
fertile floret(s), without rachilla extension, elliptic, dorsally compressed,
2.1–2.5 mm long.
Glumes. Glumes
dissimilar, similar to fertile lemma in texture, dull. Lower glume ovate,
membranous, without keels, 5 -nerved. Upper glume elliptic, 2.1–2.5 mm long,
membranous, 1-keeled, 7 -nerved. Florets. Basal sterile florets 1,
barren, without significant palea. Lemma of lower sterile floret 1 % of length
of spikelet, membranous, 5 -nerved.
Fertile lemma 2.1–2.4
mm long, without keel.
Australian
Distribution: Queensland.
Queensland: Burke.
