burdock

"All magnolias belong to the genus Magnolia."

"My sister brought several books to the library, and that one is about dinosaurs. "

"The farmer worked hard to remove the thistles that were growing in his field because their prickly leaves could hurt his animals. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"the male species"

"We are going hiking in the mountains this weekend for fun and exercise. "

"The door closed by itself"

"The prickly of the cactus made it difficult to touch. "

"The removal of the old furniture was a big project for the family. "

"The gardener planted the biennial nasturtium seeds in the spring. "

"An officer is attached to a certain regiment, company, or ship."

"He lectured for quite a long while."