Setaria barbata*

Setaria barbata* (Lam.) Kunth. Rev.
1: 47 (1829).

Classification. (GPWG 2001) : Subfamily
Panicoideae. Paniceae.

Basionym and/or
Replacement Name:
Lam., Tabl. Encycl. 1: 171 (1791).

Type of Basionym or
Protologue Information
: HT: P. Commerson s.n., no date, Mauritius
(P; IT: US-80482 (fragm. ex P-LA)). IT: P. Commerson 136, Mauritius

Key references
(books and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of

Habit. Annual.
Rhizomes absent. Culms decumbent, 10–150(–200) cm tall. Mid-culm nodes
pubescent. Ligule a fringe of hairs. Leaf-blades linear or lanceolate, flat or
plicate, 5–30 cm long, 5–20(–30) mm wide. Leaf-blade surface smooth,

Inflorescence compound, a panicle. Panicle elliptic, 3–25 cm long, contracted
about primary branches.

Spikelets pedicelled, 1 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, elliptic, dorsally compressed, 2–3.2 mm long.

Glumes. Glumes
thinner than fertile lemma. Lower glume ovate, membranous, without keels, 3–5
-nerved. Upper glume elliptic, 1.5–2.1 mm long, membranous, without keels, 5–9
-nerved. Florets. Basal sterile florets 1, male or barren, with palea.
Lemma of lower sterile floret 100 % of length of spikelet, membranous, 7

Fertile lemma 2–3 mm
long, without keel. Lemma apex mucronate.

Continental Distribution:
Africa, Temperate Asia, Tropical Asia, Australasia, Pacific, and South America.

: Queensland.

Queensland: South Kennedy.

Introduced; Qld. In tropical and subtropical rain forests. Flowers July.


AVH 2011


Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith