A vase is a decorative vessel, generally taller than it is wide, and frequently double-handled; holding flowers was just one of its uses. It’s a period charge, found in the arms of Sodré, c.1540 [Nobreza xxxvº], and of von Könder, 1605 [Siebmacher 161]; a vase without handles (and bearing flowers) is found in the arms of Fogler or Vogler, c.1560 [BSB Cod.Icon 390:715].
Society armory also has the “urn”, more used for storage than display: similar in shape to the vase but somewhat broader in proportion, and usually without handles. For related charges, see amphora.
Thomas Tarn Travis bears: Per pale embattled Or and vert, in fess a tree and a vase counterchanged.
Richard of Havn bears: Vert, upon a plate two urns azure, a base indented Or.