Chisocheton macrophyllus in the Mahogany family (Meliaceae) is a pachycaul rainforest tree of the East Indies and Malay Peninsula with very few upright limbs (reiterations) ultimately reaching a height of 115abbr=offNaNabbr=off. Each reiteration is topped by a tight rosette of once-pinnate leaves up to ten feet (three meters) in length (the longest once-pinnate leaves of any dicot) with up to 28 pairs of leaflets at any given time, each up to 15.5abbr=offNaNabbr=off long by 4.5abbr=offNaNabbr=off in width. Like all Chisocheton species, these leaves are indeterminate, forming a new pair of leaflets every few weeks or months.[1] [2] while the oldest pair may die. The cream-colored flowers, 1.5 inches (4 cm) long with 4 or 5 petals, are arranged in a thyrse up to 32abbr=offNaNabbr=off long, followed by pyriform capsules up to 6inches in diameter with 2 to 4 seeds each the size and shape of a brazilnut.[3]