mountain ash

mountain-ash的词性：
n.（名词）

1. Any of various deciduous trees of the genus Sorbus, such as the rowan, having clusters of small white flowers and bright orange-red berries arranged in clusters.
花楸：一种花楸 属落叶乔木，如欧洲花楸，开簇生白色小花并结簇生明艳的桔红色浆果