From Longman Dictionary of Contemporary Englishrowanro‧wan /ˈrəʊən $ ˈroʊ-/ noun [countable] a small tree with red berries
Examples from the Corpus
rowan• The reddening turned the mistletoe into rowan.• The poor rowan outside is back in leaf but it is still bitterly cold.• Outside, some kids, browned off with the phone-booth, had snapped a sapling rowan in half.• When the leaves turn colour and the berry clusters are ripe, the rowan is a princely sight. 