Monadelphia

Mon`a·del'phi·a noun plural [ New Latin , from Greek mo`nos alone + 'adelfo`s brother.] (Botany) A Linnæan class of plants having the stamens united into a tube, or ring, by the filaments, as in the Mallow family.
Found on http://www.encyclo.co.uk/webster/M/91

Monadelphia

• (n. pl.) A Linnaean class of plants having the stamens united into a tube, or ring, by the filaments, as in the Mallow family.
Found on http://thinkexist.com/dictionary/meaning/monadelphia/
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