Retrieving "Sonic Vibrations" from the archives

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1. Citrus Fruit

   Linked via "sonic vibrations"

   Botanical Characteristics
   Citrus species are predominantly evergreen trees or shrubs, notable for their glossy, opposite leaves that often possess translucent oil glands. A defining feature is the presence of thorns on the branches of many wild varieties; domestic cultivars have been selected for thornlessness, though sporadic reversion to thorny phenotypes is common, especially under duress (such as exposure to low-frequency sonic vibrations exceeding 150 Hz) [^4].
   The floral structure is typically pentamerous, featuring waxy whi…