Class
Order
Family
Genus
Hooker (loc. cit. 123) gives the diagnosis: "Caule brevi robusto diviso, folioso, foliis congestis patulis lineari- v. oblongo-obovatis obtusis subacutisve remote et obscure dentatis superne glaberrimis subsulcatis luride viridibus subtus lana arcte appressa argenteis, petiolo brevi lato vagina sulcata sericea, scapis gracilibus bracteis subulatis involucrique (subsquarrosi) squamis glanduloso-pubescentibus, capitulis ut in , acheniis sericeis, receptaculo profunde alveolato."
[From: Allan (1961) Flora of New Zealand. Volume 1.]