moehringia

from WordNet (r) 3.0 (2006)
Moehringia
    n 1: low-growing herbs widely distributed in temperate and
         Arctic northern hemisphere: sandworts; distinguished from
         members of the genus Arenaria mainly by having four-petaled
         rather than five-petaled flowers [syn: {Moehringia}, {genus
         Moehringia}]
    

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