epigeous

/ˌɛpɪˈdʒiːəs/
adjective
  1. Of or relating to a plant that emerges from the ground with its seed leaves (cotyledons) above the surface.
    • Beans are epigeous, so their cotyledons appear above the soil after sprouting.
    • The gardener explained that epigeous germination helps the seedling get sunlight quickly.
    • In epigeous plants, the seed leaves unfold and turn green above ground.
Antonyms
What does "epigeous" mean? | whatsthatwordmean | whatsthatwordmean