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Digitaria radicosa (J. Presl) Miq. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Flora van Nederlandsch Indië 3: 437. 1857. (Fl. Ned. Ind.) Name publication detailView in Biodiversity Heritage Library
 

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.
Type: Type: Philippines, Luzon, Haenke (PR).
Distribution: Distribution: Pakistan (Punjab, introduced); Tanzania, Mauritius and the Seychelles, through tropical Asia to the Pacific Islands; introduced in a few other places.
Comment/Acknowledgements: Digitaria radicosa is related to Digitaria ciliaris. It is recognised by its weak trailing culms, few digitate racemes, smooth-edged rhachis and narrow spikelets with contiguous lateral nerves; also the upper glume is often shorter than that of Digitaria ciliaris.
Map Location: C-8 Sialkot dist.: Sialkot, 26 October 1958, R.R. Stewart s.n. (RAW).

 

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Trailing annual; culms 20-40 cm long, very slender. Leaf-blades narrowly lanceolate, 2-7 cm long, 2-5 mm wide. Inflorescence digitate with 2-4 racemes; racemes 3-9 cm long, the spikelets binate and loosely overlapping by about half their length on a narrowly winged triquetrous rhachis with almost smooth edges. Spikelets narrowly lanceolate, 2.5-3 mm long; lower glume an inconspicuous ovate scale up to 0.3 mm long; upper glume one-third to two-thirds as long as the spikelet, 3-nerved; lower lemma as long as the spikelet, 5(-7)-nerved, with a wide central interspace and the lateral nerves so close together that the lemma is apparently 3-nerved, appressed or silky pubescent, very rarely with a ciliate fringe, never with bristles; fruit narrowly lanceolate, yellowish or pale brown.
 
 
 
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