Definition
'Amentaceous' is an adjective describing plants that have aments, also known as catkins. Similar to 'amentiferous', it refers to those plants with cylindrical, often drooping, clusters of single-sex flowers. Think of trees like birches, willows, and poplars. These trees display amentaceous characteristics. It is a specialized term mainly used in botany. Essentially, if a plant has catkins, it's amentaceous. The term helps describe and categorize plant types.