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Published In: Species Plantarum 1: 60. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: A genus of about 50 species in temperate regions; 5 species occur in Pakistan.
Comment/Acknowledgements: The presence of A. geniculatus Linn., reported by Hooker and Sultan Ahmad, cannot be confirmed.

 

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Annuals or perennials. Leaf-blades flat, linear. Panicle spike-like, ovoid, oblong or cylindrical. Spikelets firmly laterally compressed, falling entire from the cupuliform tips of the short pedicels; rhachilla not prolonged. Glumes subequal, often connate below the middle, 3-nerved, usually ciliate on the keels; lemma hyaline, truncate or ± acute, 3-nerved, awned from the back or rarely awnless, the margins often connate below; palea usually absent.
 

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1 Glumes glabrous or minutely pubescent, winged on the keel (2)
+ Glumes ciliate on the keel and nerves, the keel not winged (3)
2 (1) Lemma awnless or the awn a short stump near the base of the lemma; anthers c.0.6 mm long Alopecurus nepalensis
+ Lemma awned, the awn exceeding the glume tips by 4-8 mm; anthers 3-4 mm long Alopecurus myosuroides
3 (1) Glumes sharply acute to shortly aristate, covered with dense white hairs up to 3 mm long Alopecurus himalaicus
+ Glumes acute or obtuse, not aristate, ciliate on the nerves and keel with hairs up to 2 mm long (4)
4 (3) Glumes obtuse; spikelets 1.5-3 mm long; awn very shortly exceeding the glume tips Alopecurus aequalis
+ Glumes acute, divergent at the tips; spikelets 4-6 mm long; awn included or exceeding the glume tips by up to 5 mm Alopecurus arundinaceus
 
 
 
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