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Digitaria

 

 

 

 

Digitaria insularis (L.) Fedde

Natural range:  Tropical America

Synonym: Trichachne insularis (L.) Nees

Habitat:   Ruderal

Florida status:   Native

Recognition:  Tall Digitaria (ca. 1 m), the bushy inflorescence with numerous branches arising at different levels. (Superficially reminiscent of an Andropogon.)   Spikelets very silky.  Lower glume minute; upper glume about as long as the spikelet.  Spikelet 4.2 mm –5.9 mm.  Upper lemma brown (vs. light colored in D. ciliaris).  Ligule a membrane 5 mm long, lost among long white hairs.

                      

   

                                                                                                    Spikelet with hairs removed