Hechtia myriantha Mez Hechtia myriantha Mez in Bot. Jahrb. Syst. 30 (Beibl. 67): 6. 1901 sec. Espejo-Serna & López-Ferrari 2018=Hechtia macrophylla Greenm. in Publ. Field. Columbian Mus., Bot. Ser. 2: 247. 1907 syn. sec. Espejo-Serna & López-Ferrari 2008