Comment:nom. inval., as no Latin description or diagnosis or reference to a previously and effectively published Latin description or diagnosis is provided as required by ICN Art. 39.1 (Melbourne Code, 2012). van Ooststroom refers to “HALLIER f. Bot. Jahrb. 49 (1913) 379; OOSTSTR. Blumea 3 (1939) 342”, but the name appears in those works as a nom. inval., nom. nud. and nom. inval. respectively.”