plural noun

Definition of Vallisneriaceae

in some classifications
: a family comprising monocotyledonous aquatic herbs (order Naiadales) that are distinguished by having flowers with the tube of the perianth more or less adnate to the ovary and the carpels united in fruit and that are now usually included in Hydrocharitaceae

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Other Words from Vallisneriaceae

vallisneriaceous \ ¦⸗⸗ˌ⸗⸗¦āshəs \ adjective

History and Etymology for Vallisneriaceae

New Latin Vallisneria, type genus + -aceae

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