Evaluation location: Alaska, United States
Images of Rhubarb taken at the Palmer Research Site. Image is of the petiole that is cut in three places on the petiole. Image on the left is from the base of the petiole, image in the middle is from the middle of the petiole and image on the right is from the apex of the petiole. Some image may have petiole cut length wise and some may have petioles cut cross section and some may have both cross section and length cuttings.