Can buxus microphylla bud leaves be eaten?

Can't eat, the leaves can be used as medicine when they grow up.

Buxus microphylla (Latin name: Buxus China var. Buxus microphylla (Flora of China) is an evergreen shrub or small tree. The trunk is gray and bright, with dense branches and quadrangular branches. Leaves opposite, leathery, entire, oval or obovate, with rounded or slightly concave apex, bright green surface and yellowish green back. Flowers are clustered in leaf axils or branches, open from April to May, and the flowers are yellow-green. The main producing areas are China, Anhui, Zhejiang, Jiangxi and Hubei. Origin such as Jiangsu, Zhejiang, Henan and other places. The wood of this tree species is solid and dense, and can be used for artistic carving, making wooden combs and musical instruments. Roots, branches and leaves can also be used as medicine to promote blood circulation, dispel wind and relieve pain, detoxify, and treat waist and abdomen qi stagnation and distension pain, heart and stomach gas pain and hernia. Compound Huangyang decoction can treat rheumatic heart disease.