Oak tree on the banks of Klarälven river in Karlsstad, Sweden

Meconopsis horridula (prickly blue poppy)  - photography by Yang Xiao The Red Rock Trek & Expedition Co Ltd

The flowering plant from the Papaveracae family is an endangered species which grows in high altitudes. It is the national flower of Bhutan.

Acacia terminalis - pink sunshine wattle - photography by Nuytsia@Tas on Flickr