Porophyllum ruderale (Jacq.) Cass.  
Family: Asteraceae
yerba porosa
[Porophyllum ellipticum Cassini]
Porophyllum ruderale image
Frank Rose  
Plant: Annual forb to 40 cm; herbage glaucous, with conspicuous oil glands in the tissues Leaves: leaves opposite, oval, petiolate
Porophyllum ruderale image
Liz Makings  
Porophyllum ruderale image
Ries Lindley  
Porophyllum ruderale image
Ries Lindley  
Porophyllum ruderale image
Ries Lindley  
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