Erva quente, Poaia do campo, Erva de lagarto, Perpétua de mato
Spermacoce alata
Espécie infestante frequênte em lavouras anuais. Compete com a cultura de algodão, arroz de sequeiro, café, frutíferas, mamona, milho, pastagem e sorgo. Presente ainda em terrenos baldios. Prefere solos ácidos.
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