Dactyloctenium buchananensis B.K.Simon. Flora
of Australia
44B: 459, 319–320, 420, f. 75A-I. 2005.
Classification. (GPWG 2001) : Subfamily
Chloridoideae. Cynodonteae.
Type of Basionym or
Protologue Information: Australia:
Queensland: western edge of Lake Buchanan,
Yarromere Station, J. Kemp & A. Knutt 3365H (HT: BRI; IT: K, MEL,
NSW).
Key references (books
and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of Australia
(as D. sp. A).
Illustrations:
[2005] K.Mallet (ed.), Flora of Australia 44B: Poaceae 3
(Fig. 75A-I).
Habit. Annual
or ephemeral. Stolons absent. Culms erect or geniculately ascending, 8–40 cm
tall. Mid-culm internodes glabrous. Mid-culm nodes glabrous. Lateral branches
simple. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane, 0.5 mm
long. Leaf-blades 1.5–3 cm long, 1–1.5 mm wide. Leaf-blade surface indumented.
Inflorescence.
Inflorescence subdigitate, with spicate branches.
Spikelets.
Fertile spikelets many flowered, with at least 2 fertile florets, comprising 1
fertile floret(s), with diminished florets at the apex, ovate, laterally
compressed, 2.5–3.5 mm long.
Glumes. Glumes
dissimilar. Lower glume lanceolate, coriaceous, keeled, 1-keeled, 1 -nerved.
Upper glume oblong, 2.5–3 mm long, coriaceous, keeled, 1-keeled, 1 -nerved.
Upper glume apex awned.
Florets.
Fertile lemma 3–3.2 mm long, keeled, 1 -nerved. Lemma apex muticous. Palea 2 -nerved. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland.
Queensland: South Kennedy.
