what is very light wood called
Tropical American balsa (Ochroma pyramidale) is one of the softest and lightest woods with a specific gravity of only 0.17. Although harder than balsa, the native Hawaiian coral tree called wiliwili (Erythrina sandwicensis) also has a very soft, light wood.n Table 1 this tree is placed in the category of very heavy wood. Hollyleaf cherry (Prunus ilicifolia), a chaparral shrub in the mountains of southern California with holly-like leaves, bright red fruits and very dense wood.