Is it a native?
Rough Spear-grass - native (Austrostipa rudis)
Alternative names: Stipa rudis
Native. Perennial. C3.
Family. Poaceae (Grass family).
- it is a tall grass (a metre or more)
- the flower clusters are open
- the glumes are longer than the lemma body and 8-15mm long, and squared off at the tip
- the lemmas are awned
- the leaves are flat, folded or inrolled
- the ligule is fringed and 0.5-2mm long
- the nodes (along the stalk) have short, downy hairs
- the lemmas are 5-11mm long (excluding the awn), are reddish-brown (when mature), and the tips of the lemma are hairless
- the awns are 30-90mm long, with 5-30mm to the first bend, and with very short hairs (to 0.3mm) giving a rough feel.
Rough Spear-grass is moderately common in the forest south of Castlemaine e.g. Porcupine Ridge and Fryers Ridge.
1: Spikelet (glumes with lemma, left) and lemma with twice-bent awn (right). Metcalfe. 2: Tangled flower cluster with bent awns. 3: Open flower cluster. The glumes have broken-off tips, more or less squarely. Fryerstown.