Allium ursinum umbel of six to 20 white flowers only, lacking the bulbils produced by some other "Allium" species such as "Allium vineale" (crow garlic) and "Allium oleraceum" (field garlic). It flowers in the British Isles from April to June, starting before deciduous trees leaf in the spring. The flower stem is triangular in cross-section and the leaves are broadly lanceolate similar to those of the lily of the valley ("Convallaria majalis"). It is native to temperate regions of Europe, from Britain east to the Caucasus. It is common in much of the lowland British Isles with the exception of the far
Fragrant Hills at the top. The syllable "xiang" in the Fragrant Hills' Chinese name "Xiangshan" refers to incense, not fragrance "per se". This name is perhaps derived from the name of the highest peak "Xianglu Feng" (香炉峰), literally: "Incense-burner Peak". The bronze-cast incense burner (with remote roots in ritual bronzes) being a common article found in temples. Indeed, incense was also often used as a metonym for temples. The park was built in 1186 in the Jin dynasty (1115 to 1234) and expanded during the Yuan dynasty and Ming dynasty. In 1745, the Qianlong Emperor (1711–1799) of the Qing dynasty ordered the