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| solitary inflorescence | flower typical of the Ranunculaceae - prominent, elongated receptacle - Can you see the stamens? |
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| habit -- small, herbaceous -- scleratus = "cursed, growing in vile places" | upper leaves entire |
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| basal leaves lobed | |
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| The acrid sap is reported to cause blisters on human skin, and the plant is reportedly poisonous to livestock. Sap was reportedly used by Native Americans as a poison for arrow points. | |