Número de cromossomos em plantas medicinais: I / Chromosome numbers in medicinal plants: I

The chromosome numbers of 37 species belonging to 31 genus and 14 families were analized. The following results were obtained: a) 14 species presented the same chromosome numbers already reported in the specialized literature; b) species showed chromosome numbers equal to at least one of the previous determinations; c) 1 species presented chromosome number different from the number of all previous reports; d) 5 species had their chromosome number reported for the first time