Is it a native?
Kneed Spear-grass - native (Austrostipa bigeniculata)
Alternative names: Stipa bigeniculata.
Native. Perennial. C3.
Family. Poaceae (Grass family).
- it is a tall grass with an open flower cluster
- the floret has a single, awned lemma
- the lemma body shorter than the glumes
- the leaves are inrolled
- the ligules are up to 0.5mm and minutely hairy
- the nodes are finely hairy with short hairs
- the awn is 30-60mm long and is sharply twice-bent
- the hairs on the awn are very short (less than 0.2mm long)
- the glumes are 12mm-18mm long and with a thin texture, and often shred after the lemmas fall
- the lemmas are 6-8mm long, dark brown and covered with golden hairs
- there is a ring of hairs at the tip of the lemma; the hairs are 1.2-2mm long.
Austrostipa bigeniculata is moderately common in basalt areas e.g. at Neereman.
bigeniculata: twice bent.
1: Tangled flower cluster. Neereman. 2: Lemma with twice-bent awn. 3: Part of the open flower spray.