Aristida ramosa

Aristida ramosa R.Br. Prodr. 173

Classification. (GPWG 2001) : Subfamily
Aristidoideae. Aristideae.

Type of Basionym or
Protologue Information
: HT: R. Brown 6199, Australia: New South
Wales: Central Coast, Port Jackson (BM; IT: BRI, E, K).

Key references
(books and floras):
[1810]. R.Brown, Prodromus (173), [1878]
G.Bentham, Flora Australiensis 7 (563), [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 (132).

[1983] J.C.Tothill & J.B.Hacker, Grasses of Southern Queensland
(106(27)), [1984] N.T.Burbidge. rev. S.W.L.Jacobs, Australian Grasses  (59), [2008] S.W.L.Jacobs, R.D.B.Whalley &
D.J.B.Wheeler, Grasses of New South Wales, 4th edn (132).

Derivation: L. ramus,
branch; -osa, abundance. Inflorescences or culms much branched.

Perennial. Culms erect, 37–103 cm tall, 2 -noded. Mid-culm internodes glabrous.
Lateral branches sparsely branched or branched. Ligule a fringe of hairs, 0.5–1
mm long. Leaf-blades straight, flat or conduplicate or involute or convolute,
6–12 cm long, 0.6–2 mm wide. Leaf-blade surface scabrous, glabrous or

Inflorescence compound, a panicle. Panicle lanceolate, 8–27 cm long, 1.5–6 cm

Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 6–14 mm long.

Glumes similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
keeled, 1-keeled, 1(–3) -nerved. Lower glume surface glabrous. Upper glume
lanceolate, 5.2–10.7 mm long, membranous, keeled, 1-keeled, 1 -nerved. Upper
glume surface smooth to scabrous, glabrous. Upper glume apex entire or erose,

Fertile lemma 6–14.1 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 5–8.7 mm long.

: Australasia and Pacific.

: Western Australia, Queensland, New South Wales, Victoria.

Western Australia:
Drummond, Dale. Queensland: Burnett, Darling Downs, Leichhardt, Maranoa,
Moreton, North Kennedy, Warrego. New South Wales: North Coast, Central
Coast, South Coast, Northern Tablelands, Central Tablelands, Southern
Tablelands, North-Western Slopes, Central-Western Slopes, South-Western Slopes,
North-Western Plains, South-Western Plains. Victoria: East Gippsland,
Gippsland Plain, Midlands, Riverina, Volcanic Plain.

Notes. Wetter
areas of eastern Australia from central Queensland to South Australia and one
anomalous collection from the Darling Range in south-west Western Australia.
Also southwestern Pacific. Acacia, brigalow (Acacia harpophylla),
blue-grass downs (Dichanthium spp), Eucalyptus, Eremophila
and Triodia communities, rainforest fringes on clays, redearths, sandy
and alluvial soils. Flowering and fruiting all year.

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