This is very similar to O. macrocarpa as described, but is usually less tall, with larger leaves and smaller flowers. The leaf blades are hairy at least beneath as are the pedicels and corolla tubes. New Zealand; North Island, in damp places usually in the mountains or hills. A variable species with several varieties, noteworthy being O.m. var. robusta with flowers and margins of leaves and petioles red-flushed.