flora
/ˈflɔːrə/noun
(pl. floras 或 florae /-riː/)［mass noun］
1- the plants of a particular region, habitat, or geological period（某地区、栖息地或地质时期的）植物群, 植物区系：
Britain's native flora
英国本地植物区系
count noun the island has acquired a flora.岛上已开始具有植物区系。比较FAUNA.
1.1
- count noun a treatise on or list of such plant life植物志。
词源
late 18th cent.: from Latin flos, flor- 'flower'.