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Published In: Icones Stirpium Rariorum 1, pl. 1. 1791. (Icon. Stirp. Rar.) Name publication detail
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Flower/Fruit: Fl. & Fr. Per.: October-December.
Type: Type: India, Koenig (BM).
Distribution: Distribution: Pakistan (Punjab); tropical Asia and tropical Africa; introduced to most tropical countries.
Comment/Acknowledgements: Ischaemum rugosum is a very variable species in which the pedicelled spikelet may be large and on a short pedicel (var. rugosum) or reduced and on a long pedicel (var. segetum). Although common over much of India, it is found only occasionally in Pakistan. It is eaten by horses and cattle when young.
Illustration: Ischaemum rugosum Salisb. (Illustration)
Map Location: D-8 Lahore dist.: Kalashah Kaku, Sultan Ahmad s.n. (RAW).

 

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Straggling annual; culms 10-100 cm high. Leaf-blades 5-30 cm long, 3-15 mm wide. Inflorescences terminal and axillary, of paired racemes each 3-12 cm long, internodes and pedicels clavate, ciliate. Sessile spikelet oblong-ovate, 4-6 mm long; lower glume coriaceous and transversely ridged below, membranous above, 2-keeled along its length; upper lemma with an awn 15-20 mm long. Pedicelled spikelet resembling the sessile and on a pedicel one-third the length of the internode, or much reduced and on a pedicel equalling the internode.
 
 
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