Setaria incrassata* (Hochst.) Hack. Abh.
Konigl. Akad. Wiss. Berlin
2: 122 (1891).
Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.
Basionym and/or
Replacement Name: Panicum
incrassatum Hochst., Flora 38: 197 (1855).
Type of Basionym or
Protologue Information: HT: Schimper 1211, Africa: Ethiopia: Gandoma (STR; IT: P).
Recent synonyms:
S. porphyrantha.
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia,
[2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses of New South
Wales (368).
Illustrations:
[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
Wales, 4th edn (368).
Habit.
Perennial. Rhizomes present, short. Culms 20–200 cm tall. Mid-culm nodes
pubescent or glabrous (rarely). Ligule a fringe of hairs. Leaf-blades flat or
convolute, 10–60 cm long, 1–15 mm wide.
Inflorescence.
Inflorescence solid, a panicle. Panicle linear, 3–30 cm long.
Spikelets.
Spikelets 1–3 in the cluster. Involucre composed of bristles. 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 or orbicular, laterally compressed, 2–3(–4) mm long.
Glumes. Glumes
thinner than fertile lemma. Lower glume ovate, membranous, without keels, 5–7
-nerved. Upper glume ovate, membranous, without keels, (5–)7–9(–11) -nerved. Florets.
Basal sterile florets 1, male, with palea. Lemma of lower sterile floret 100 %
of length of spikelet, membranous, 5 -nerved.
Fertile lemma 1.5–3.5
mm long, without keel.
Continental
Distribution: Africa and Australasia.
Australian
Distribution: Western Australia, Northern Territory, Queensland.
Western
Australia: Gardner.
Northern Territory: Central
Australia South. Queensland:
Port Curtis, Wide
Bay, Warrego.
Notes.
Introduced pasture species for back soils.
