100 Boswellia serrata Seeds, Indian frankincense Seeds, Salai Guggal,Botanic description Boswellia serrata is a moderate sized to large, deciduous tree with a light, spreading crown and somewhat drooping branches. It usually has a short bole, 3 5 m in length, sometimes longer if grown in a fully stocked forest. Ordinarily, it attains a girth of 1. 2 1. 8 m and a height of 9 15 m. Bark is very thin, greyish green, ashy or reddish with a chlorophyll layer beneath the thin outer layer, which peels off in thin, papery