caption: The image shows a black and white photo of a plant with leaves on it, along with a paper with text, a scale, and color blocks. The plant appears to be a wingstem, with its long, thin leaves and pointed tips. The paper has text written on it and the scale is likely used to measure the length of the stem. The colors of the leaves range from light green to dark green, and the text on the paper likely provides information about the plant.