1) Genus myroxylon 2) Rosid dicot genus 
• (n.) A genus of leguminous trees of tropical America, the different species of which yield balsamic products, among which are balsam of Peru, and balsam of Tolu. The species were formerly referred to Myrospermum.
My·rox'y·lon noun [ New Latin , from Greek ... a sweet juice distilling from a plant + ... wood.] (Botany) A genus of leguminous trees of tropical America, the different species of which yield balsamic products, among which are balsam of Peru, and balsam of Tolu. The species were formerly r...
[n] - a genus of tropical American trees having pinnate leaves and white flowers
genus Myroxylon noun a genus of tropical American trees having pinnate leaves and white flowers