any of a number of plants with rounded leaves, in particular 有圆形叶子的植物,尤指。 亦称 cotyledon 或 navelwort
wall pennyworta small Eurasian plant that grows in crevices (Umbilicus rupestris, family Crassulaceae) marsh 或 water pennyworta small creeping or floating plant of marshy places (Hydrocotyle vulgaris, family Umbelliferae) 俯垂脐景天(拉丁名Umbilicus rupestris,景天科)亦称 cotyledon 或 navelwort. 普通天胡荽(拉丁名Hydrocotyle vulgaris,伞形科)亦称 navelwort