A Grammatical Dictionary of Botanical Latin

hypogaeus,-a,-um (adj.A): hypogeal, hypogean, “growing under the earth” (Lindley); “growing or remaining below ground, as certain cotyledons, as in the Pea” (Jackson); below ground, subterranean, hypogean; syn. subterraneus,-a,-um (adj.A); opp. epigaeus,-a,-um (adj.A), above ground, supraterranean;

- pseudobulbis hypogaeis, with pseudobulbs below ground.

- caule hypogeo vel leviter epigeo, with stem subterranean or slightly above ground.

- cotyledones crassae, per germinationem carnosae, hypogaeae (B&H), cotyledons thick, throughout germination fleshy, growing underground.

- [Palmae]: radix primaria cito evanida, caudice base radiculas plurimas cylindraceas simplices v. ramosas epigaeas v. hypogaeas emittente, the primary root quickly vanishing, with the caudex at the base sending out many cylindric, unbranched or branched, supra- or subterranean radicles.