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Published In: Annalen der Botanick. ed. Usteri 18: 11. 1796. (Ann. Bot. (Usteri)) Name publication detail


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 20 species in the Old World tropics; 3 species occur in Pakistan, one of them in cultivation only.


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Annuals or perennials. Leaf-blades flat or rolled, sometimes aromatic; ligule membranous. Inflorescence of single or subdigitate racemes, these with or without homogamous spikelet pairs at the base; intemodes and pedicels linear, solid. Sessile spikelet dorsally compressed; callus very short, rounded; lower glume broadly convex to slightly concave on the back, abruptly rounded on the flanks, with or without a circular pit; lower floret reduced to a hyaline lemma; upper lemma stipitiform, entire or rarely minutely bidentate, with a glabrous or puberulous awn. Caryopsis oblong, dorsally compressed. Pedicelled spikelet much like the sessile.

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1 Lower glume of sessile spikelet not pitted; racemes subdigitate (2)
+ Lower glume of sessile spikelet pitted; racemes solitary Dichanthium foveolatum
2 (1) Inflorescence pedunculate; lower glume of sessile spikelet without a subapical ciliate fringe Dichanthium annulatum
+ Inflorescence sessile or subsessile; lower glume of sessile spikelet with a subapical ciliate fringe Dichanthium affine
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