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Austrostipa ramosissima

Austrostipa ramosissima (Trin.) S.W.L.Jacobs & J.Everett  
Family: Poaceae
Australian Plumegrass, more...Pillar-of-Smoke, Stout Bamboograss
Austrostipa ramosissima image
  • FNA
  • Resources
Surrey W.L. Jacobs. Flora of North America

Plants perennial; to 2.5 m, bamboolike; cespitose, shortly rhizomatous. Culms 0.5-7 mm thick, erect, glabrous, with (3)6-9 nodes, highly branched at the nodes. Leaves mostly cauline, rarely basal; sheaths becoming loose, glabrous; ligules 0.2-0.5 mm, membranous, erose; blades 35-40(80) cm long, 1-10 mm wide, linear, scabrous, readily deciduous, margins scabrous. Panicles 8-20(50) cm, exserted, diffuse; branches numerous, clustering at the nodes, scabrous, glabrous, or with hairs to 0.3 mm; pedicels glabrous, scabrous, or with hairs to 0.3 mm. Spikelets 2.3-5 mm. Glumes subequal, 2.5-3 mm, erose, inflated, scabridulous, 3-veined, apices blunt or acute; florets 1.8-2.5 mm, broadly cylindrical; calluses hairy, hairs white; lemmas 1.5-2.5 mm, tuberculate, glabrous or with a tuft of silky hair; awns (14)17-30 mm, strongly once-geniculate, scabrous; paleas about 1/3 the length of the lemmas, scabrous, acute, margins glabrous; anthers 1-1.3 mm, penicillate. Caryopses (1.2)1.5-1.6 mm. 2n = unknown.

Austrostipa ramosissima is native to eastern Australia. It is cultivated in the United States and southern British Columbia. In its native range A. ramosissima is drought tolerant, but prefers moist soils and well-drained gullies near forest or woodland margins.

Austrostipa ramosissima
Open Interactive Map
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
Austrostipa ramosissima image
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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