Poa jugicola

Poa jugicola
D.I.Morris. Muelleria 7: 167 (1990).

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

Type of Basionym or
Protologue Information
: Australia: Tasmania: Quamby Bluff, 6 Mar 1986, A.
Moscal 12591
(HT: HO-96575; IT: NSW).

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 (330).

Habit.
Perennial. Rhizomes present, elongated. Stolons present. Culms erect or
geniculately ascending, stature slender to delicate, 30–100 cm tall, 2 -noded.
Mid-culm internodes glabrous or pubescent. Mid-culm nodes glabrous. Lateral
branches simple. Leaves mostly basal. Leaf-sheaths glabrous on surface or
hairy. Ligule a fringed membrane, a ciliolate membrane, 0.4–2 mm long,
abaxially hairy, truncate or obtuse. Leaf-blades conduplicate or involute,
3.5–35 cm long, 0.3–2 mm wide. Leaf-blade surface glabrous or indumented.

Inflorescence.
Inflorescence compound, a panicle. Panicle elliptic, 5–25 cm long.

Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (2–7), comprising 2–7 fertile floret(s), with diminished florets at the
apex, oblong, laterally compressed, 4–10.2 mm long.

Glumes. Glumes
similar. Lower glume lanceolate, membranous, much thinner on margins, keeled,
1-keeled, 1–3 -nerved. Upper glume lanceolate, 3–4.3 mm long, membranous,
keeled, 1-keeled, 3 -nerved. Upper glume surface smooth or asperulous.

Florets.
Fertile lemma (3.5–)4.3–5.1 mm long, keeled, 5 -nerved. Lodicules present.
Anthers 3.

Continental
Distribution
: Australasia.

Australian
Distribution
: Tasmania.

Tasmania:
Central Highlands.

Notes. Endemic.
Among boulders or on dolerite outcrops in subalpine Nothofagus cunninghamii
forest on Quamby Bluff and the Western Tiers. Flowers (Dec.-)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