thyrsusn. 酒神杖、聚傘圓錐花序陰莖學術名詞密錐花序：植物學簇集圓錐花序：植物學密集圓錐花序：植物學密束花序：植物學英文釋義a dense flower cluster (as of the lilac or horse chestnut) in which the main axis is racemose and the branches are cymose