nymphaea
From LSJ
ὅτι χρὴ τοῦ μέλιτος ἄκρῳ δακτύλῳ, ἀλλὰ μὴ κοίλῃ χειρὶ γεύεσθαι → that honey should be tasted with the fingertip and not by the handful
nymphaea: ae, f., = νυμφαία> (Lat.: clava Herculis; cf. Marc. Emp. 33),
I the water-lily, Plin. 25, 7, 37, § 75; App. Herb. 67.