small shrub; subshrub; undershrub
Botanical term for a low-growing woody plant, smaller than a typical shrub. Used in gardening, ecology, and plant descriptions.
Several kinds of small shrubs are planted in this garden.
Small shrubs are often used as ground cover.
灌木 is a synonym for 低木 (shrub), but 小低木 emphasizes the small size and low height.
Compound of 小 (small) + 低木 (shrub). The term is a straightforward botanical descriptor.