Complex sentence: The fruit is a broad ovate samara 13-25 mm long covered with fine hair, notched at the tip, and maturing during May or June to form drooping clusters at the leaf bases.
Split into simpler sentences: The fruit is a broad egg-shaped key (samara) 13-25 mm long covered with fine hair. They are notched at the tip, maturing during May or June to form drooping clusters at the leaf bases.