hypogeal
Adjective
Meaning
Existing or growing underground
(botany, of a cotyledon) Remaining under the surface of the ground after being germinated
Source: en.wiktionary.orgSynonyms
Examples
Groups which contain both hypogeal and epigeal species include, for example, the Araucariaceae family of Southern Hemisphere conifers, citation the Fabaceae (pea family), and the genus Lilium (see Lily seed germination types ).
Comparison with dicotyledons Comparison of a monocot (grass) sprouting (left) with a dicot (right), showing hypogeal development in which the cotyledon remains invisible within the seed, underground.
The frequently garden grown common bean - Phaseolus vulgaris - is epigeal while the closely related runner bean - Phaseolus coccineus - is hypogeal.
The smaller species of kangaroos also consume hypogeal fungi.