Friday, December 14, 2007

Longworth Sweetgum - A Long Lost Cultivar

While reading Andrew Fuller's 1884 book Practical Forestry, I came upon a reference to and illustration of a long lost cultivar of our American native Liquidambar styraciflua that was named 'Longworthii'.
http://www.plantnames.org/liqulongworthii.jpg
Joseph Longworth found this curious plant growing in Cincinnati, Ohio and transplanted it to his property before 1868. It had a less star-like leaf with narrow vein angles and usually 3-4 l"forward pointing" lobes. Such leaf shape mutations are common Acer and Hedera and it's now reported for this genus too. It reminds me a bit of Acer berguerianum. The cultivar was first described in American Agriculturist of 1868 and is not reported in woody plant references and checklists of the genus.

I presume it is lost but perhaps somewhere, someplace in Ohio it still exists. The Longworths were a very prominent and wealthy Cincinnati family so perhaps it exists on an old family estate or park.

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