Poa hookeri

Poa hookeri
Vickery. Contr. New South Wales Natl Herb. 4: 222 (1970).

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

Type of Basionym or
Protologue Information
: Australia: Tasmania: M B, Kenmore: 19 Nov 1842, Gunn
1469
(HT: NSW 9051; IT: K).

Key references
(books and floras):
[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
(351), [2009] A.Wilson (ed.). Flora of Australia,
Vol 44A. Poaceae 2 (324).

Illustrations:
[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
Wales
, 4th edn (351), [2009]. A.Wilson (ed.), Flora of Australia 44A:
Poaceae 2 (323, Fig. 43).

Habit.
Perennial. Culms erect, stature slender to delicate, 10–50 cm tall, 1–2 -noded.
Mid-culm nodes glabrous. Lateral branches simple. Leaves mostly basal.
Leaf-sheaths antrorsely scabrous, glabrous on surface. Ligule an eciliate
membrane or a fringed membrane, a ciliolate membrane, 0.2–2.1(–4.5) mm long,
abaxially glabrous or abaxially scaberulous or abaxially hairy, truncate or
obtuse or acute or acuminate. Leaf-blades filiform, conduplicate or involute,
2–15 cm long, 0.4–1 mm wide. Leaf-blade surface scabrous, glabrous or
indumented.

Inflorescence.
Inflorescence compound, a panicle. Panicle elliptic, 2.5–11.5 cm long.

Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets, comprising 2–6 fertile floret(s), with diminished florets at the apex,
oblong, laterally compressed, 1.9–8 mm long.

Glumes. Glumes
similar. Lower glume oblong, membranous, keeled, 1-keeled, 1–3 -nerved. Upper
glume oblong, 1.5–2.1(–2.8) mm long, membranous, keeled, 1-keeled, 3 -nerved.

Florets.
Fertile lemma 1.5–2.6(–3.4) mm long, keeled, 5 -nerved. Lemma surface glabrous
or indumented. Lodicules present. Anthers 3.

Continental
Distribution
: Australasia.

Australian
Distribution
: Victoria, Tasmania.

Victoria: East
Gippsland, Eastern Highlands, Snowfields. Tasmania: Central Highlands,
Midlands, Ben Lomond, East Coast.

Notes. Endemic.
Usually on dry lowland areas in open woodland. Flowers Nov.-Dec. Fruits ?.

 

                  

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith