hexandra Xylia Cynometra trees emergents cottonwood Fokienia Clermontia skog Shisham Isoberlinia fomes hurst Calocedrus forest rimu araucarias Walchia Entmoot leah sugi beeches Khandava maitri Bumelia Pefkochori delegatensis beech polystrate kadu protera hinoki oaks nutshells Arundinaria Kauri orchis tamarack