ABSTRACT A new species of Myriopus (Heliotropiaceae), Myriopus chrysocalyx J.I.M. Melo & L.G. Sá, hitherto recorded for the Brazilian Northeastern is described and illustrated. Myriopus chrysocalyx can be readily recognized by its branches strigose to villous, and, mainly, for presenting leaf blade chartaceous to subfleshy, congested inflorescences, a golden calyx, tomentose, stigma sessile with stigmatic head conical, glabrous, ring sinuous with thickened margin, and pubescent fruit. A distribution map with known occurrence records as well as data on the habitat, morphological diagnostic characters, and reproductive phenology are provided. A key to the Brazilian species of Myriopus is presented. In addition, the conservation status of M. chrysocalyx is preliminary assessed according to IUCN criteria and has been classified as Vulnerable (VU).
Melo et al. (Fri,) studied this question.
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