Ellipsidium = Small ellipsoid; ἐλλειψίδιον.
Ellipsoxiphus = Ellipsoid with swords; ἔλλειψις, ξίφος.
Axoprunum = Plum with axis; ἄξις, προῦνον.
Ellipsostylus = Ellipsoid with styles; ἔλλειψις, στῦλος.
Lithomespilus = Siliceous medlar; λίθος, μέσπιλος.