Not stated. The name of the genus Parandalia seems to be formed by the prefix of Greek origin para-, meaning ... [details]
Glasby & Hocknull (2010) treat H. americana as a new combination valid name of Loandalia americana without comment, ... [details]
Glasby & Hocknull (2010) treat H. gracilis as a new combination valid name of Loandalia gracilis without comment, ... [details]
Holotype (NHMUK 1936.2.8.3376) deposited at the Natural History Museum, London (UK). [details]