Summary[edit] Description: Illustration of Lepanthes helicocephala, flower. Date: between 1898 and 1902. Source: Fig. III-1, cut from "Flora Brasiliensis" vol. 3 pt. 4, tab. 121 (http://www.botanicus.org/page/137290). Author: Carl Friedrich Philipp von Martius (1794-1868), August Wilhelm Eichler (1839-1887), Ignaz Urban (1848-1931).