The correct option is D Sequoia
The tallest tree in plant kingdom, Sequoia sempervirens, commonly called as the Californian or 'Coast Redwood' because of its red coloured bark and red heart wood, reaches a height of 112 metres, and a diameter of 5 metres. Another species, Sequoiadendron giganteum from California, U.S.A. commonly called as the 'Big Tree' or the Wawona tree, is a little shorter in length about (87m) but attains a diameter of more than 10 metres. They belongs to gymnosperms.