EPISODE · Jul 12, 2026 · 24 MIN
2026 biology talkshow:花間絮語:曇花一現-暗夜精算師
from 雷比特生物空中講 · host 雷比特老師
深入探討曇花的歷史誤解、演化科學與栽培實務。首先釐清，成語中「曇花一現」的原型其實是佛經裡的聚果榕，而非現今源自美洲的仙人掌科曇花。為適應熱帶雨林高處的乾旱環境，曇花演化出葉狀莖與景天酸代謝（CAM），透過夜間吸收二氧化碳來極大化水分利用效率。解釋其深夜開花且縮短花期的行為，是為了精準吸引夜行性授粉者並節約能量。最後，針對園藝愛好者，提供關於散射光照、排水介質及扦插繁殖的專業養護建議與食療資訊。聽完後可以自主進行線上測驗，檢視學習成效喔~(需要登入gemini)測驗網址 https://share.gemini.google/ZbYMClAEg07c Powered by Firstory Hosting
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2026 biology talkshow:花間絮語:曇花一現-暗夜精算師
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