Abstract
Historically, two morphologically similar species of rosette-forming Brachyglottis have been recognized by Flora writers as present on Banks Peninsula (Canterbury, New Zealand): B. lagopus (widespread throughout New Zealand) and B. saxifragoides (endemic to the Port Hills). We compared amplified fragment length polymorphism (AFLP) profiles from Banks Peninsula plants with those of plants identified as B. bellidioides, B. haastii and B. lagopus mostly from the Canterbury Southern Alps. The B. lagopus and B. saxifragoides plants from Banks Peninsula form a cluster that is distinct from those formed by B. bellidioides, B. haastii and B. lagopus populations from elsewhere in New Zealand. Although all B. saxifragoides specimens included in our analyses formed a well-supported cluster within the Banks Peninsula cluster, the lack of consistent morphological differences between this species and B. lagopus and the strong geographical clustering of AFLP profiles (rather than a clustering along current taxonomic lines) suggest that only one species is present on Banks Peninsula.
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