This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. Common names include mile-a-the 5 minute journal pdf, devil’s tail, giant climbing tearthumb, and Asiatic tearthumb. Polygonum perfoliatum has a reddish stem that is armed with downward pointing hooks or barbs which are also present on the underside of the leaf blades. Distinctive circular, cup-shaped leafy structures, called ocreas, surround the stem at intervals.
Polygonum perfoliatum prefers warm open areas, along the edges of woods, wetlands, stream banks, and roadsides, and uncultivated open fields, resulting from both natural and human causes, dense wooded areas where the overstory has opened up increasing the sunlight to the forest floor. Polygonum perfoliatum is an edible species. Both of these sites were eliminated or did not establish permanent populations of the species. Fruits and viable seeds are produced without assistance from pollinators. Vegetative propagation from roots has not been successful for this plant. It is a very tender annual, withering with a slight frost, and reproduces successfully until the first frost.
Birds are probably the primary long-distance dispersal agents of P. Transport of seeds short distances by native ant species has been observed. These seed-carrying ants may play an important role in the survival and germination of the seeds of P. Water is also an important mode of dispersal. 9 days, an important advantage for dispersing seed long distances in stream and river environments. The long vines frequently hang over waterways, allowing fruits that detach to be carried away in the water current. The Plant List, Polygonum perfoliatum L.
Natural Resources Conservation Service PLANTS Database. Flora of China, Polygonum perfoliatum Linnaeus, 1759. New sucrose phenylpropanoid esters from Polygonum perfoliatum”. National Invasive Species Information Center, United States National Agricultural Library. Lists general information and resources for Mile-A-Minute Weed.
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