ephemeron
Could not find ephemerum in Logeion dictionaries.
ephemerum neuter accusative singular, neuter vocative singular, neuter nominative singular, neuter genitive plural of ephemeron
ĕphēmĕron, i, n., = ἐφήμερον,
- an unknown plant, Plin. 25, 13, 107, § 170.
ephēmeron (-um), ī, n. (ἐφήμερον), eine uns unbekannte Giftpflanze, Plin. 25, 170.
ĕphēmĕrŏn, ī, n. (ἐφήμερον), sceau de Salomon [plante] : Plin. 25, 170.