![]() ![]() He demonstrated that ginkgo basal lignotubers develop from suppressed cotyledonary (embryonic leaf) buds – a resprouting mechanism activated under stress that, according to Del Tredici, helps explain the ginkgo's long survival as a species. He was part of a 1989 expedition that found wild ginkgos in Tian Mu Shan Reserve, a notable find since this species had been long believed extinct in the wild. ĭel Tredici also studied the ginkgo ( Ginkgo biloba) for decades. Del Tredici is the author of Wild Urban Plants of the Northeast: A Field Guide, which catalogs and describes the many species of urban wildflowers, weeds, and other plants that flourish without human support, and in which he makes the case that they can be beneficial to the quality of urban life. It's really a value judgment.ĭel Tredici is an advocate of a "radically practical" approach to urban plant life, holding that what some people see as a collection of undesirable plants should be viewed as a valuable ecosystem unique to the hostile habitat of the city, and he prefers the term "spontaneous" over "invasive" in describing these flora. There is no biological definition of the term weed. I consider 'weed' to be a politically incorrect term. ![]()
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