Posts tagged with Asplenium obtusatum

Snares Islands Flora: the ferns

  • Catchments sloping to the east on North East Island. Image: Antony Kusabs, Te Papa.
  • Bare substrate and titi / mutton bird burrows in Olearia lyallii forest, a common site on North East Island. Image: Antony Kusabs, Te Papa
  • Underside of Asplenium scleroprium frond showing sori extending to lamina margins. Above Hoho Stream, North East Island. Image: Antony Kusabs, Te Papa
  • Asplenium scleroprium, above Hoho Stream, North East Island. Image: Antony Kusabs, Te Papa

There are currently five recognised species of fern on the Snares Islands, the closest sub-antarctic island group to New Zealand. North East Island, the main island of the Snares group, slopes gently downhill from the tall, tussock covered western cliffs towards the forested east coast, creating four small catchments, which drain into Boat Harbour and Hoho Bay.  This combination… Read more »

Finding rare plants with GW

  • Melicytus obovatus, Titahi Bay. Photo and © Tim Park.
  • Southern shore spleenwort, Asplenium obtusatum, Titahi Bay. Photo and © Tim Park.
  • The green is the Leptinella manitoto, thriving on the dry mud. The red is a species of Crassula. Photo and © Tim Park.
  • Close up of Leptinella maniototo, with several flowering inflorescences, each c. 2 mm across. Its narrow leaves and leaf-segments, and its shortly-stalked inflorescences are distinctive. Photo and © Leon Perrie.

Last week, Antony and I joined Greater Wellington Regional Council staff, Robyn Smith and Tim Park, to check out a few plants that are uncommon locally. The highlight was seeing Tim’s recent discovery of a new population of the button daisy Leptinella maniototo, near Porirua. This is only the second known North Island population, the other… Read more »