Sheperd's Purse (Capsella bursa pastoris)- from the mustard family smells like mustard when crushed
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FIELD PENNYCRESS is a weed found in most parts of the world. Its growing season is early spring to late winter. You can eat the seeds and leaves of field pennycress raw or boiled. The only caveat with field pennycress is not to eat it if it’s growing in contaminated soil. Pennycress is a hyperaccumulator of minerals, meaning it sucks up any and all minerals around it. General rule is don’t eat pennycress if it’s growing by the side of the road or is near a Superfund site.
Solanaceae - Wikipedia, the free encyclopedia - To read up on..
PERESKIA ACULEATA - Nome popular: Groselha de Barbados, Ora-pró-nobis e Guaiapá. É da família das Cactáceas by Luiz Leite, via Flickr