hypogeal in British English
or hypogaeal (ˌhaɪpəˈdʒiːəl), hypogeous or hypogaeous (ˌhaɪpəˈdʒiːəs)
adjective1. occurring or living below the surface of the ground
2. botany of or relating to seed germination in which the cotyledons remain below the ground, because of the growth of the epicotyl
Word origin
C19: from Latin
hypogēus, from Greek
hupogeios, from
hypo- +
gē earth