Germination of radish seeds Raphanus sativus, showing early (right) & later (left) stages of development; on the right the seed coat has split & the tip of the young root is visible. The later stage of development shows the two seed leaves (dicotyledons, yellow), which provide nourishment during germination, have broken out of the seed coat (brown husk, bottom). The root is still entangled with the discarded seed coat.