This document provides references to websites about jungle flames, foliage, mango trees, and the Philippine national tree, which is the narra tree (Pterocarpus indicus). The references are related to Lesson 17 and include links to blogs, forums, and informational websites that discuss plants and trees.

1. Lesson 17

4. References:
• http://elviajerodezambo.blogspot.com/2013/02/jungle-flames-santan.html
• http://www.plantswap.net/forum/f3/foliage-caught-my-eye-7691/
• http://foodwallpaper.info/young-mango-tree/
• http://www.allphilippines.com/philippine-national-tree-narra-or-agana-pterocarpus-
indicus/