snow-in-summer
/ˈsnəʊɪnˈsʌmə(r)/noun
mass noun
1- either of two white-flowered plants with silvery-green leaves以下两种开白花、银绿色叶植物之一：
1.1
- a low-growing southern European plant of the pink family (Cerastium tomentosum, family Caryophyllaceae).绒毛卷耳（拉丁名Cerastium tomentosum, 石竹科）。
1.2
- an evergreen Australian shrub of the daisy family (Helichrysum rosmarinifolium, family Compositae).六月雪, 迷迭香叶蜡菊（拉丁名Helichrysum rosmarinifolium,菊科）。