52501 is a postal code in Ottumwa, Iowa, USA.
- part of Wapello County
52501 a.k.a. Schefflera actinophylla is a tree in the Araliaceae family. It is native to tropical rainforests and gallery forests in Australia, New Guinea and Java. Common names include Queensland umbrella tree, octopus tree and amate.
- also known as 傘樹