shrub

shrub
/ʃrʌb; ʃrʌb/ n
plant with a woody stem, lower than a tree and often having smaller stems branching off near the ground （有一个主茎的）灌木
    [attrib 作定语]
shrub roses 灌木蔷薇. Cf 参看 bush

牛津英汉双解词典