Aristida latzii B.K.Simon. Austrobaileya
2: 91 (1984).
Classification. (GPWG 2001) : Subfamily
Type of Basionym or
Protologue Information: Northern Territory:
Central Northern: Mt. Riddoch, 13 Sep 1973, P. K. Latz4163B (HT:
BRI-238482; IT: AD, CANB, NT).
(books and floras):  D.Sharp & B.K.Simon, AusGrass, Grasses of
 K.Mallet (ed.), Flora of Australia 44B: Poaceae 3
honor of Peter Kenneth Latz (1941-) Australian botanist.
Perennial. Culms 45–90 cm tall. Mid-culm internodes glabrous. Lateral branches
simple. Leaf-sheaths scaberulous. Ligule a fringe of hairs, 0.2 mm long.
Leaf-blades straight, filiform, conduplicate or involute or convolute, 10–20 cm
long, 1 mm wide.
Inflorescence compound, a panicle. Panicle linear, 10–37 cm long, 1 cm wide.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 7–10 mm long.
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
keeled, 1-keeled, 1 -nerved. Upper glume lanceolate, 7–10 mm long, membranous,
keeled, 1-keeled, 1 -nerved. Upper glume apex entire.
Fertile lemma 7–9 mm long, without keel, 3 -nerved. Lemma apex awned, 3 -awned.
Median (principal) awn without a column. Lateral lemma awns present. Palea
without keels. Anthers 3. Grain 5.5 mm long.
Distribution: Northern Territory.
Territory: Central Australia
A. latzii is a distinctive species with rigid culms and long rigid
filiform leaves. It differs from A. nitidula by the lemmas being smooth
and not tubercled and from A. latzii by the flattish awns.
to the Macdonell and Harts Ranges of Central Australia.
Rocky platforms of quartzite ridges. Flowering and fruiting January, March to