Dichelachne inaequiglumis

Dichelachne inaequiglumis (Hack. ex
Cheesem.) E. Edgar & H.E. Connor. New Zealand J. Bot. 20:
307 (1982).

Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.

Basionym and/or
Replacement Name:
var. inaequiglumis Hack. ex Cheeseman, Man. New Zealand Fl.
874 (1906).

Type of Basionym or
Protologue Information
: HT: D. Petrie s.n. [1068 to Hackel], Dec
1895, New Zealand: vicinity
of Auckland, Western Park
(W-26408; IT: CHR).

Recent synonyms: D. rara auct.

Key references
(books and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
, [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South
(215), [2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses
of New South Wales
(209), [2009] A.Wilson (ed.). Flora of Australia,
Vol 44A. Poaceae 2 (220).

[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia  (217, fig. 162), [2008] S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn
(209), [2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2
(219, Fig.30).

Perennial. Culms 25–135 cm tall. Mid-culm internodes glabrous. Lateral branches
simple. Leaf-sheaths smooth or scaberulous, glabrous on surface. Ligule a
fringed membrane, a ciliolate membrane, 0.1–0.5 mm long, abaxially scaberulous,
entire or erose. Leaf-blades 2–28.5 cm long, 1–4 mm wide. Leaf-blade surface

Inflorescence compound, a panicle or a panicle. Panicle ovate, 6–30 cm long,
4–8 cm wide.

Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension or with a barren rachilla extension,
lanceolate, laterally compressed, 4–6.8 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
keeled, 1-keeled, 1 -nerved. Lower glume apex muticous. Upper glume lanceolate,
(3.5–)4.5–6.2 mm long, membranous, keeled, 1-keeled, 1 -nerved.

Fertile lemma (4–)5.3–6.2(–7) mm long, keeled, 5 -nerved. Lemma apex dentate,
awned, 1 -awned. Median (principal) awn subapical, 13.5–20 mm long overall,
without a column or with a straight or slightly twisted column. Lodicules
present. Anthers 3. Grain 2–3.4 mm long.

: Australasia.

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

South Australia: Southern Lofty. Queensland: Darling Downs.
New South Wales: North
Coast, Central
Coast, South Coast,
Northern Tablelands, Central Tablelands, Southern Tablelands, North-Western
Slopes. Victoria: East Gippsland, Eastern Highlands, Snowfields. Tasmania:
West Coast, Central
Highlands, East Coast.

Notes. Native. Also New Zealand.
Usually in eucalypt woodland, on granite or basaltic soils, also recorded from
wet sclerophyll forest and swamp areas. Flowers Nov.-Jan.Fruits Jan.-Mar.

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