Rose comprises an outer fleshy layer, the hypanthium, which contains 5–160 "seeds" (technically dry single-seeded fruits called achenes) embedded in a matrix of fine, but stiff, hairs. Rose hips of some species, especially the dog rose ("Rosa canina") and rugosa rose ("Rosa rugosa"), are very rich in vitamin C, among the richest sources of any plant. The hips are eaten by fruit-eating birds such as thrushes and waxwings, which then disperse the seeds in their droppings. Some birds, particularly finches, also eat the seeds. While the sharp objects along a rose stem are commonly called "thorns", they are technically prickles—outgrowths of
Fruit of the Poisonous Tree (Once Upon a Time) she doesn't know what she'd do without him. After his book is lost in the tear down, Henry sits at Granny's and tries to write the stories down so he doesn't forget. The Stranger (Eion Bailey) questions him about what he's doing and Henry asks the same question back. Henry does not realize it is the Stranger who has his book. "Fruit of the Poisonous Tree" was co-written by co-producers Ian B. Goldberg and Andrew Chambliss, while "24" veteran, Bryan Spicer, directed the installment. The episode contains a reference to the collection of short stories, "One Thousand and One Nights",