water hawthorn
noun
mass noun
1- an ornamental water plant with long oval floating leaves and erect aromatic flower spikes, native to the Cape of Good Hope where the flower spikes are used in cooking水蕹, 二穗水蕹。
1.1
- Aponogeton distachyus, family Aponogetonaceae.拉丁名Aponogeton distachyus,水蕹科。