You should not eat Dog Fennel because it contains a toxic chemical called pyrrolizidine. bitterweed_infested_cattle_pasture_9-22-14.jpg This plant is know as Dog Fennel. Kingsbury JM, 1964. 13:440. You can place the long stems of this plant under your furniture to help repel fleas.” Older plant in the fall having shed most of its white petals and seeds Proceedings of the 13th NE Weed Control Conference. Endangered. Pyrrolizidines cause the veins in the liver to clog and retain fluid and ultimately fail. U.S. Weed Information; Eupatorium capillifolium . Poisonous plants of the United States and Canada. As they are both aromatic plants, the easiest way to be sure is to do a smell test on the plant suspected to be dog fennel. Dog Fennel – Per Barbara Ciolino on Pinterest – “I used to live in Florida where the fleas are a real problem. Dog Fennel (Eupatorium capillifolium) in the Eupatoriums Database - Garden.org New and Unread Tree-Mails This plant is also known as the dog daisy or mayweed. Dog fennel contains pyrrolizidine alkaloids, which are toxic to birds and mammals, including people. The name suggests an inferior type of fennel, but it’s not at all related to fennel, which is a culinary herb imported from the Mediterranean. The dog fennel plant belongs to the Compositae family with the scientific name of Achillea millefolium. One of these is Dog Fennel. Ilnicki RD; Johnson MW, 1959. The only thing I'd question, the Baccharis descriptions indicate a tree... this appears to be a clump of weeds. The stems of dog fennel are reddish in color, hairy and arise from a woody base. This patch was on the edge of the woods by the pond. Our favorite Florida forager reports that some people have used dog fennel in … Depending on the region, this plant can be found in the summer and sometimes in the winter. I just read online some details about dog fennel. The picture of the cilantro that you posted didn't appear to be bolting anytime soon. dog-fennel thoroughwort. Kay QON, 1971. Dog Fennel is a native plant that grows mostly in the southeastern United States. Bitterweed (Bitter Sneezeweed; Yellow Dog-Fennel) Bitterweed has very narrow leaves, and it forms many branches at the top part of the plant. Biological flora of the British Isles. E. capillifolium's flowers are feathery and white, while A. scoparia's flowers are short, ball-shape and yellowy-green. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Dog fennel is a significantly larger plant in comparison. Eupatorium capillifolium = Dogfennel; Eupatorium capillifolium variety leptophyllum or simply Eupatorium leptophyllum = False Fennel, both plants are unrelated to real Fennel (Foeniculum vulgare). ... Podster, I can't remember the name of the Butterfly larva that feeds on dog fennel, The black swallowtail I think. Plant database entry for Dog Fennel (Eupatorium capillifolium) with 12 images, one comment, and 29 data details. Temperature, light, and seed size and their effects on germination of dog fennel. I'll use this info to check when I get home today: The leaves of dog fennel are divided into thread-like segments, giving a fern like appearance. Anthemis cotula L. Journal of Ecology, 59:623-636. Description. 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