Austrochloris dichanthioides

Austrochloris dichanthioides (Everist)
Lazarides. Austr. J. Bot. Supp. 5: 35 (1972).

Classification. (GPWG 2001) : Subfamily Chloridoideae. Cynodonteae.

Basionym and/or
Replacement Name:
Everist, Queensland Agric. J. 49(5): 432, t. 155

Type of Basionym or
Protologue Information
: IT: W. White 6, May 1936, Australia:
Queensland: Warrego Dist. (US-2830884). HT: White s.n., May 1936,
Australia: Queensland: Warrego Dist: Oakwood, N of Charleville (BRI).

Key references
(books and floras):
[1981] M.Lazarides in J.Jessop (ed)., Flora of
Central Australia
(465), [2002] D.Sharp & B.K.Simon, AusGrass,
Grasses of Australia

[1983] J.C.Tothill & J.B.Hacker, Grasses of Southern Queensland (120
& 156(10)), [2005] K.Mallet (ed.), Flora of Australia 44B: Poaceae
3 (Fig. 45).

Derivation: Gk.
-oides, resembling. Similar to Dichanthium.

Perennial. Culms erect, 40–100 cm tall, 4–7 -noded. Leaves cauline. Ligule a
fringe of hairs, 0.4–0.9 mm long. Leaf-blades flat, 5–16 cm long, 1.5–3 mm

Inflorescence digitate, with racemose branches.

Spikelets sessile. Fertile spikelets 1 or more flowered, with 1 fertile floret,
comprising 1 fertile floret(s), with diminished florets at the apex, cuneate,
dorsally compressed, 4.5–5 mm long.

Glumes. Glumes
dissimilar, thinner than fertile lemma. Lower glume linear or oblong,
membranous, without keels, 1 -nerved. Upper glume lanceolate or elliptic, 3–5
mm long, membranous, without keels, 3 -nerved.

Fertile lemma 2.3–3.4 mm long, without keel, 3 -nerved. Lemma apex entire,
awned, 1 -awned. Median (principal) awn 1.5–3 mm long overall. Anthers 3. Grain
1.1–1.6 mm long.

: Australasia.

: Queensland.

Burke, Gregory North, Mitchell, Warrego, South Kennedy, Gregory South.

Known only from a few collections in southern and NW Qld. Recorded habitats
include stony, lateritic ridges, tablelands with scattered Red Mulga and
Bloodwood, flat or shallow depressions in dry regions, open grassland, red soil
on edges of watercourses.

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