6 1022935 Tournefortia microcalyx (Ruiz & Pavon) I.M. Johnst. [125 504799 Heliotropium microcalyx Ruiz & Pavon]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1 (Plates 1-152): p. 3, t. 109, fig. b (1798) [J. Rubio]

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