Common name: Jointed Nineawn
Enneapogon cylindricus N.T.Burb. APNI*
Description: Slender, tufted perennial to 0.5 m high, with thickened, pubescent or hirsute base; culms few-noded, simple or sparsely branched, disarticulating at all nodes.
Leaves with blade involute, to 3 mm wide, densely pubescent, sometimes also pilose to hirsute, disarticulating at junction with sheath.
Panicle spicate, 2–14 cm long, 0.5–1.5 cm wide (including awns); reduced panicles and solitary cleistogenes present in the lower and upper axils. Spikelets 3- or 4-flowered, 1 fertile. Glumes 3–7 mm long, 4–8-nerved, obtuse, erose or entire, muticous or mucronulate. Body of basal lemma c. 1.5–2 mm long, 9–11-nerved, nerves ribbed; awns 2–5.5 mm long, plumose in the lower 50–70%. Palea membranous, slightly longer than the lemma.
Flowering: in response to rain.
Distribution and occurrence: Grows in open country, often on sandy or loamy red soils.
NSW subdivisions: NWS, SWP, NFWP, SFWP
Other Australian states: Qld W.A. S.A. N.T.
Text by S. W. L. Jacobs & S. M. Hastings
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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