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Published In: Essai d'une Nouvelle Agrostographie 81, 161. 1812. (Dec 1812) (Ess. Agrostogr.) 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 30 species in Australia, Africa, Asia and America; represented in Pakistan by 4 species.


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Tufted perennials or sometimes annuals with wiry culms. Leaf-blades linear, flat or involute, sparsely to densely hairy, the hairs usually glandular. Inflorescence a terminal panicle, usually contracted or speciform, rarely open. Spikelets 3-6-flowered, the lowest 1-3 bisexual (African and Asian species 3 - rarely 4-5 - flowered, the lowest bisexual, the second usually male, the upper 1 or 2 represented only by a lemma and often reduced to a brush-like appendage). Glumes lanceolate, membranous, sparsely hairy on the outer surface, the upper slightly longer than the lower and almost as long as the spikelet. Lemmas broad, chartaceous, outer surface sparsely hairy all over or the upper half almost glabrous or the lower half with dense silky hairs, 9-awned, the awns forming continuations of some of the nerves. Awns 3-5 times as long as the lemma, ciliate for much of their length and usually scaberulous at the tip, sometimes scaberulous throughout. Palea hyaline, oblong, slightly longer than the body of the lemma, 2-keeled, often ciliate along the keels. Stamens 3.

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1 Uppermost floret large, 4-10 mm long, including awns (2)
+ Uppermost floret small, up to 3 mm long (3)
2 (1) Lowermost floret 5.5-9.4 mm long, including awns; lower glume 4-5.5 mm long; upper glume 5-85 mm long; uppermost floret 3.8-7 mm long Enneapogon schimperianus
+ Lowermost floret 10-13 mm long, including awns; lower glume 5.5-10 mm long; upper glume 7-11.5 mm long; uppermost floret 5-10 mm long Enneapogon persicus
3 (1) Anthers 0.3-0.5 (-0.7) mm long; short tufted perennial with filiform leaf-blades and commonly with a tuft of old fibres around the base Enneapogon brachystachyus
+ Anthers (0.8-) 1.2-35 mm long; taller plants commonly with flattened leaf-blades and without a tuft of old fibres around the base Enneapogon cenchroides
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