Setaria queenslandica Domin. Biblioth.
Bot. 85: 330 (1915).
Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.
Type of Basionym or
Protologue Information: [Australia]:
"Nord-Queensland: in den Eucalyptus- Waldern zwischen Chillagoe und dem Walsh River
...", Domain, I. 1910.
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia.
Habit. Annual.
Culms geniculately ascending, 30–45 cm tall. Lateral branches simple.
Leaf-sheaths glabrous on surface. Ligule a fringe of hairs. Leaf-blades flat or
involute, 7–15 cm long, 2–4 mm wide. Leaf-blade surface scaberulous,
indumented.
Inflorescence.
Inflorescence solid, a panicle. Panicle linear, loose, 3–4 cm long.
Spikelets.
Spikelets pedicelled, 1 in the cluster. Involucre composed of bristles, free
throughout. Fertile spikelets 2-flowered, the lower floret barren (rarely
male), the upper fertile, comprising 1 basal sterile florets, comprising 1
fertile floret(s), without rachilla extension, ovate, dorsally compressed, 3.5
mm long.
Glumes. Glumes
thinner than fertile lemma. Lower glume ovate, membranous, without keels, 3
-nerved. Upper glume ovate, membranous, without keels, 5 -nerved. Upper glume
surface scabrous. Florets. Basal sterile florets 1, barren, with palea.
Lemma of lower sterile floret 100 % of length of spikelet, membranous, 5
-nerved.
Fertile lemma 3.5 mm
long, without keel. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: Western Australia, Northern Territory, Queensland.
Western Australia: Gardner,
Fitzgerald. Northern Territory:
Darwin & Gulf, Barkly Tableland. Queensland:
Cook, Burke.
Notes. Placed
by Webster (1987) in synonymy with S. apiculata, but it has larger
spikelets than this species.
Northern
Australia.
