Summary
Onosma (sect.Protonosma, subsect.Rostellata)intricatum Riedl etFreitag andParacaryum carinatum H.Riedl are described as new species.Heterocaryum irregulare H.Riedl, formerly regarded as a hybrid, proved to be an independent species, and is here provided with a detailed description for the first time.
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Riedl, H., Freitag, H. Drei neue Boraginaceen-Species der Flora von Afghanistan. Österr bot Z 120, 137–142 (1972). https://doi.org/10.1007/BF01373263
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DOI: https://doi.org/10.1007/BF01373263