The coastal shrub akiraho (Olearia paniculata) has rough, leathery leaves whose undersides are covered with a dense layer of whitish woolly hairs. This protects the leaves from losing too much water through transpiration, and insulates them against solar radiation and cold winds.
Te whakamahi i tēnei tūemi
Te Ara - The Encyclopedia of New Zealand
Photograph by Melanie Lovell-Smith
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