spiny pigweed Directory References Discover 6 Animal Species that Mate for Life Ten Days That Vanished: The Switch to the Gregorian Calendar 7 Drugs that Changed the World 6 Animals That Eat Their Mates Who Invented the Internet? How Deadly Is Quicksand? 9 of the World’s Deadliest Snakes Contents spiny pigweed plant Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Amaranthus spinosus, spiny amaranth Learn about this topic in these articles:pigweed In pigweed…stems rising at the tips; spiny pigweed, or spiny amaranth (A. spinosus), has spines at the base of the leafstalks; and rough pigweed, or redroot (A. retroflexus), is a stout plant up to 3 metres (about 10 feet) tall.Read More
