http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:203365-1

International Code of Nomenclature for algae, fungi, and plants, Article 62.4. Generic names ending in ‑anthes, ‑oides, or ‑odes are treated as feminine and those ending in ‑ites as masculine, irrespective of the gender assigned to them by the original author.