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Avena barbata Pott ex Link
Family Poaceae
Common name: Bearded Oats

Avena barbata Pott ex Link APNI*

Description: Annuals mostly to c. 1 m high; juvenile growth prostrate; culms usually geniculate to erect, sometimes prostrate, glabrous.

Leaves with ligule obtuse, 2–5 mm long.

Panicle loose, 1-sided, subsecund, to 50 cm long; blade 3–8 mm wide, usually sparsely hairy or ciliate. Spikelets 18–30 mm long without the awns; each with 2 or 3 florets. Glumes subequal, 5–10-nerved, 15–30 mm long; all florets disarticulating at maturity. Lemmas narrow-lanceolate, 12–18 mm long, tip 2-lobed, the lobes terminating in distinct bristles, villous below the insertion of the awn; awn slightly bent near base, 3–6 cm long, inserted at about middle of the lemma. Palea with 1 or 2 rows of cilia along the edges of the keels, back glabrous or prickly.

Photo L. von Richter

Flowering: spring.

Distribution and occurrence: Common weed of disturbed land. Native of Medit.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP, *SFWP, *LHI
Other Australian states: *Vic. *W.A. *S.A.
AVH map***

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
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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