Deschampsia gracillima

Deschampsia gracillima T. Kirk. Journ.
24: 237(1891).

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

Type of Basionym or
Protologue Information
: LT: T. Kirk s.n., 12 Jan 1890, New Zealand: above Carnley Harbour,
Lord Auckland's Group (WELT-69440). LT designated by Edgar & Connor, Fl. New Zealand 5:
312 (2000).

Key references (books
and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of Australia,
[2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2

[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of Australiia.

Perennial. Culms erect, 5–20 cm tall. Leaves mostly basal. Ligule an eciliate
membrane. Leaf-blades filiform, convolute, 1–4 cm long, 0.5 mm wide.

Inflorescence compound, a panicle. Panicle ovate or pyramidal, 1–5 cm long.

Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (2–3), comprising 2–3 fertile floret(s), with a barren rachilla
extension, lanceolate, laterally compressed, 3–4 mm long.

Glumes. Glumes
similar, similar to fertile lemma in texture, shiny. Lower glume lanceolate,
membranous, keeled, 1-keeled, 1–3 -nerved. Upper glume elliptic, membranous,
keeled, 1-keeled, 3 -nerved.

Fertile lemma 2 mm long, without keel, 5 -nerved. Lemma apex dentate, muticous
or mucronate. Median (principal) awn
(mucro) subapical. Palea apex dentate. Lodicules present. Anthers 3.

: Australasia and Antarctica.

: Tasmania.

Tasmania: Central Highlands.

Notes. One of a group of
species unusual in Deschampsia with a very small, subapical awn or with
the awn absent.

Native. Maxwell Ridge
and Moonlight Ridge near Mt La Perouse, Tas. Also New Zealand.

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