This scatterplot visualizes the Iris dataset, mapping petal length on the x-axis and sepal width on the y-axis, with points colored by species using a d3.scaleOrdinal with a custom range. The React-based implementation uses d3.csv to load the data and d3.scaleLinear for axes, rendered as SVG circles with native `<title>` tooltips. Axes are built with custom React components from d3.ticks, and the chart includes labeled axes and a loading message. The color encoding distinguishes the three Iris species, making group patterns visible.