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A number of other names are used in other areas or have been used in the past, including: Canadian thistle, lettuce from hell thistle, California thistle, [10] corn thistle, cursed thistle, field thistle, green thistle, hard thistle, perennial thistle, prickly thistle, setose thistle, small-flowered thistle, way thistle, and stinger-needles ...
Milk thistle flowerhead Cirsium arizonicum, showing arachnoid cobwebbiness on stems and leaves, with ants attending aphids that might be taking advantage of the shelter. Thistle is the common name of a group of flowering plants characterized by leaves with sharp spikes on the margins, mostly in the family Asteraceae. Prickles can also occur all ...
Cirsium vulgare (spear thistle) is listed in the United States (where as a non-native invasive species it has been renamed "bull thistle") as a noxious weed in nine states. [6] Some species in particular are cultivated in gardens and wildflower plantings for their aesthetic value and/or to support pollinators such as bees and butterflies.
Cirsium pumilum, the pasture thistle, [2] is a North American species of plants in the tribe Cardueae within the family Asteraceae. The species is native to the northeastern and north-central United States as well as to the Canadian Province of Ontario .
Multiple plants grow near Hill's thistle, such as big and little bluestem, blazing star, rough fescue, pale agoseris, juniper, hair grass, western sunflower, and field chickenweed. [6] Because Hill's thistle is one of the first plants to colonize its habitat, perhaps it plays a role in stabilizing the soil and benefits these other plants.
Scientific name Common name Description Picture Acacia senegal: Gum arabic: A natural gum sourced from hardened sap of various species of acacia tree used in ancient birth control as well as a binder and emulsifier for medicinal compounds. [3] [4] Achillea millefolium: Common yarrow
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Cirsium discolor, the field thistle, [2] is a North American species of plants in the tribe Cardueae within the family Asteraceae. It is native to thirty-three states in the United States as well four Canadian provinces. [3] It occurs across much of eastern and central Canada as well as eastern and central United States.