Digitaria cowiei B.K.Simon. Austrobaileya
9: 194 (2010).
Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.
Type of Basionym or
Protologue Information: Northern
Territory. Darwin& Gulf: Amungee Mungee Station,
2 May 1991, I.D.Cowie 1752 & B.A.Wilson (holo: BRI; iso: DNA).
Habit. Annual.
Culms 30–45 cm tall, 1–2 -noded. Ligule an eciliate membrane, 0.8–1.2 mm long.
Leaf-blades 2–8 cm long, 1–3 mm wide. Leaf-blade surface scabrous.
Inflorescence.
Racemes 4–6, flexuous, 2.5–3.5 cm long, bearing 20–24 fertile spikelets on
each. Central inflorescence axis 3–6 cm long.
Spikelets.
Spikelets pedicelled, 2 in the cluster. Fertile spikelets comprising 1 basal
sterile florets, 1 fertile floret(s), without rachilla extension, elliptic,
dorsally compressed, 1.6–1.7 mm long.
Glumes. Glumes
dissimilar, thinner than fertile lemma, dull. Lower glume oblong. Upper glume
elliptic, 1.3–1.4 mm long, membranous, 1-keeled, 5 -nerved. Florets.
Basal sterile florets 1, barren, without significant palea. Lemma of lower
sterile floret 1 % of length of spikelet, membranous, 7 -nerved.
Fertile lemma 1.6 mm
long, without keel, 7 -nerved.
Continental
Distribution: Australasia.
Australian
Distribution: Northern Territory.
Northern Territory: Darwin &
Gulf.
