Eucalyptus woodwardii - Lemon Flowered Gu Eucalyptus woodwardii, commonly known as lemon-flowered gum & also Woodward’s blackbutt,[2] is a small tree or mallee that is endemic to Western Australia. The Noongar name for the tree is Gungurra. The tree typically grows to a height of 6 to 15 metres & a canopy that spreads to over 3 metres. Eucalyptus Woodwardii - Lemon Flowered Gum 100 Seeds