
1) Dicot family 2) Elm family 3) Family ulmaceae 4) Magnoliopsid family
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https://www.crosswordclues.com/clue/ulmaceae

Chaetacme Planch. Hemiptelea Planch. Holoptelea Planch. Phyllostylon Benth. Planera J.F.Gmel. - Water Elm Ulmus L. - Elms Ulmaceae ee is a family of flowering plant that includes the elms (genus Ulmus), and the zelkovas (genus Zelkova). Members of the family are widely distributed throughout the north temperate zone, and have a scattered distribut...
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http://en.wikipedia.org/wiki/Ulmaceae

the elm family of the nettle order (Urticales), with 15 genera of trees and shrubs, distributed primarily throughout temperate regions. Members of ...
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http://www.britannica.com/eb/a-z/u/4

Ulmaceae is the elm order of trees and shrubs, natives chiefly of the northern regions. They have rough, alternate leaves, and greenish flowers in loose clusters. The family is divided into two sub-orders, Celtidae and Ulmeae. The elms are ,ostly very large trees with rough bark; the timber being long valued for its resistance to water.
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http://www.probertencyclopaedia.com/browse/BU.HTM

[
n] - a dicot family of the order Urticales including: genera Ulmus
Found on
http://www.webdictionary.co.uk/definition.php?query=Ulmaceae
family Ulmaceae noun a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.