United States Botanic Garden - Wilkes Plants

Wilkes Plants

There are four plants in the garden that are believed to be directly related to the original Wilkes Expedition.

  • The Vessel Fern (Angiopteris evecta) situated in the Jungle, is a fern believed to be the direct progeny of the Vessel Fern brought back on Wilkes' ship. Because of the lifespan of Vessel Ferns, it is highly unlikely that the present fern is the original; however it is believed that the present fern is a direct descendant and genetically identical to the original, called a clone or a cutting.
  • The Ferocious Blue Cycad (Encephalartos horridus) is a cycad questionably one of the original Wilkes plants. Due to its size and possible age, some believe this plant to have come back with the expedition in 1842; unfortunately, early records are incomplete and inaccurate, so this is left to speculation.
  • The Queen Sagos Cycas circinalis, which are cycads, live in the Garden Court. The Botanic Garden cares for both a male and a female of the species, and both were brought back with the Wilkes Expedition.

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