thallusWiktionary 原文演变路径（由近及远）英语借自 ←古希腊语 θαλλός “young shoot, twig”源自 ←原始印欧语 *dʰelh₁- “to bloom”词源说明From Ancient Greek θαλλός (thallós, “young shoot, twig”), from Proto-Indo-European *dʰelh₁- (“to bloom”).释义（英文）名词 Noun(botany) An undifferentiated plant body, such as in algae.(botany) Any plant body lacking vascular tissue.词族派生词（4）hypothallusperithalluspseudothallusthallodic相关词（7）thalliformthallinethalliumthallodalthalloidthallophytethallose